Home / 6,901,979.40-10,352,871.90-3,115,456.20

Finding the Fourth Proportional to 6,901,979.40, 10,352,871.90 and 3,115,456.20

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Solution

The fourth proportional to 6,901,979.40, 10,352,871.90 and 3,115,456.20 is: 4,673,140.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,901,979.40 : 10,352,871.90 = 3,115,456.20 : x
  2. Step 2: Convert to fraction form
    6,901,979.40/10,352,871.90 = 3,115,456.20/x
  3. Step 3: Cross multiply
    6,901,979.40x = 10,352,871.90 × 3,115,456.20
  4. Step 4: Simplify right side
    6,901,979.40x = 32,253,918,948,660.78
  5. Step 5: Solve for x
    x = 32,253,918,948,660.78/6,901,979.40
  6. Step 6: Final answer
    x = 4,673,140.43

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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.