Home / 4,790,485.40-7,185,728.10-4,507,050.20

Finding the Fourth Proportional to 4,790,485.40, 7,185,728.10 and 4,507,050.20

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Solution

The fourth proportional to 4,790,485.40, 7,185,728.10 and 4,507,050.20 is: 6,760,575.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,790,485.40 : 7,185,728.10 = 4,507,050.20 : x
  2. Step 2: Convert to fraction form
    4,790,485.40/7,185,728.10 = 4,507,050.20/x
  3. Step 3: Cross multiply
    4,790,485.40x = 7,185,728.10 × 4,507,050.20
  4. Step 4: Simplify right side
    4,790,485.40x = 32,386,437,270,250.62
  5. Step 5: Solve for x
    x = 32,386,437,270,250.62/4,790,485.40
  6. Step 6: Final answer
    x = 6,760,575.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.