Home / 2,976,988.50-4,108,120.07-1,687,915.98

Finding the Fourth Proportional to 2,976,988.50, 4,108,120.07 and 1,687,915.98

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Solution

The fourth proportional to 2,976,988.50, 4,108,120.07 and 1,687,915.98 is: 2,329,253.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976,988.50 : 4,108,120.07 = 1,687,915.98 : x
  2. Step 2: Convert to fraction form
    2,976,988.50/4,108,120.07 = 1,687,915.98/x
  3. Step 3: Cross multiply
    2,976,988.50x = 4,108,120.07 × 1,687,915.98
  4. Step 4: Simplify right side
    2,976,988.50x = 6,934,161,505,472.14
  5. Step 5: Solve for x
    x = 6,934,161,505,472.14/2,976,988.50
  6. Step 6: Final answer
    x = 2,329,253.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.