Home / 3,197,421-4,799,545.92-1,376,686.98

Finding the Fourth Proportional to 3,197,421, 4,799,545.92 and 1,376,686.98

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Solution

The fourth proportional to 3,197,421, 4,799,545.92 and 1,376,686.98 is: 2,066,500.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,197,421 : 4,799,545.92 = 1,376,686.98 : x
  2. Step 2: Convert to fraction form
    3,197,421/4,799,545.92 = 1,376,686.98/x
  3. Step 3: Cross multiply
    3,197,421x = 4,799,545.92 × 1,376,686.98
  4. Step 4: Simplify right side
    3,197,421x = 6,607,472,377,976.12
  5. Step 5: Solve for x
    x = 6,607,472,377,976.12/3,197,421
  6. Step 6: Final answer
    x = 2,066,500.59

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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.