Home / 3,942,009.20-5,913,013.80-3,915,437.15

Finding the Fourth Proportional to 3,942,009.20, 5,913,013.80 and 3,915,437.15

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Solution

The fourth proportional to 3,942,009.20, 5,913,013.80 and 3,915,437.15 is: 5,873,155.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942,009.20 : 5,913,013.80 = 3,915,437.15 : x
  2. Step 2: Convert to fraction form
    3,942,009.20/5,913,013.80 = 3,915,437.15/x
  3. Step 3: Cross multiply
    3,942,009.20x = 5,913,013.80 × 3,915,437.15
  4. Step 4: Simplify right side
    3,942,009.20x = 23,152,033,900,982.67
  5. Step 5: Solve for x
    x = 23,152,033,900,982.67/3,942,009.20
  6. Step 6: Final answer
    x = 5,873,155.73

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Double scale
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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.