Home / 2,989,672.78-4,125,747.30-1,631,545.78

Finding the Fourth Proportional to 2,989,672.78, 4,125,747.30 and 1,631,545.78

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Solution

The fourth proportional to 2,989,672.78, 4,125,747.30 and 1,631,545.78 is: 2,251,532.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,672.78 : 4,125,747.30 = 1,631,545.78 : x
  2. Step 2: Convert to fraction form
    2,989,672.78/4,125,747.30 = 1,631,545.78/x
  3. Step 3: Cross multiply
    2,989,672.78x = 4,125,747.30 × 1,631,545.78
  4. Step 4: Simplify right side
    2,989,672.78x = 6,731,345,596,661.39
  5. Step 5: Solve for x
    x = 6,731,345,596,661.39/2,989,672.78
  6. Step 6: Final answer
    x = 2,251,532.56

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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.