Home / 3,658,485.80-5,487,728.70-1,134,914.60

Finding the Fourth Proportional to 3,658,485.80, 5,487,728.70 and 1,134,914.60

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Solution

The fourth proportional to 3,658,485.80, 5,487,728.70 and 1,134,914.60 is: 1,702,371.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,658,485.80 : 5,487,728.70 = 1,134,914.60 : x
  2. Step 2: Convert to fraction form
    3,658,485.80/5,487,728.70 = 1,134,914.60/x
  3. Step 3: Cross multiply
    3,658,485.80x = 5,487,728.70 × 1,134,914.60
  4. Step 4: Simplify right side
    3,658,485.80x = 6,228,103,422,469.02
  5. Step 5: Solve for x
    x = 6,228,103,422,469.02/3,658,485.80
  6. Step 6: Final answer
    x = 1,702,371.90

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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.