Home / 6,646,931.80-9,970,397.70-2,387,757.40

Finding the Fourth Proportional to 6,646,931.80, 9,970,397.70 and 2,387,757.40

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Solution

The fourth proportional to 6,646,931.80, 9,970,397.70 and 2,387,757.40 is: 3,581,636.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,646,931.80 : 9,970,397.70 = 2,387,757.40 : x
  2. Step 2: Convert to fraction form
    6,646,931.80/9,970,397.70 = 2,387,757.40/x
  3. Step 3: Cross multiply
    6,646,931.80x = 9,970,397.70 × 2,387,757.40
  4. Step 4: Simplify right side
    6,646,931.80x = 23,806,890,889,117.98
  5. Step 5: Solve for x
    x = 23,806,890,889,117.98/6,646,931.80
  6. Step 6: Final answer
    x = 3,581,636.10

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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.