Home / 3,264,545.40-4,896,818.10-1,987,207.80

Finding the Fourth Proportional to 3,264,545.40, 4,896,818.10 and 1,987,207.80

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Solution

The fourth proportional to 3,264,545.40, 4,896,818.10 and 1,987,207.80 is: 2,980,811.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,264,545.40 : 4,896,818.10 = 1,987,207.80 : x
  2. Step 2: Convert to fraction form
    3,264,545.40/4,896,818.10 = 1,987,207.80/x
  3. Step 3: Cross multiply
    3,264,545.40x = 4,896,818.10 × 1,987,207.80
  4. Step 4: Simplify right side
    3,264,545.40x = 9,730,995,123,501.18
  5. Step 5: Solve for x
    x = 9,730,995,123,501.18/3,264,545.40
  6. Step 6: Final answer
    x = 2,980,811.70

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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.