Home / 2,665,455.68-3,998,117.10-1,247,098.76

Finding the Fourth Proportional to 2,665,455.68, 3,998,117.10 and 1,247,098.76

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Solution

The fourth proportional to 2,665,455.68, 3,998,117.10 and 1,247,098.76 is: 1,870,617.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,665,455.68 : 3,998,117.10 = 1,247,098.76 : x
  2. Step 2: Convert to fraction form
    2,665,455.68/3,998,117.10 = 1,247,098.76/x
  3. Step 3: Cross multiply
    2,665,455.68x = 3,998,117.10 × 1,247,098.76
  4. Step 4: Simplify right side
    2,665,455.68x = 4,986,046,877,744.80
  5. Step 5: Solve for x
    x = 4,986,046,877,744.80/2,665,455.68
  6. Step 6: Final answer
    x = 1,870,617.06

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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.