Home / 5,250,666.40-7,875,999.60-3,119,653.60

Finding the Fourth Proportional to 5,250,666.40, 7,875,999.60 and 3,119,653.60

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Solution

The fourth proportional to 5,250,666.40, 7,875,999.60 and 3,119,653.60 is: 4,679,480.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250,666.40 : 7,875,999.60 = 3,119,653.60 : x
  2. Step 2: Convert to fraction form
    5,250,666.40/7,875,999.60 = 3,119,653.60/x
  3. Step 3: Cross multiply
    5,250,666.40x = 7,875,999.60 × 3,119,653.60
  4. Step 4: Simplify right side
    5,250,666.40x = 24,570,390,505,738.56
  5. Step 5: Solve for x
    x = 24,570,390,505,738.56/5,250,666.40
  6. Step 6: Final answer
    x = 4,679,480.40

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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.