Home / 2,888,311.29-3,985,930.40-1,581,618.21

Finding the Fourth Proportional to 2,888,311.29, 3,985,930.40 and 1,581,618.21

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Solution

The fourth proportional to 2,888,311.29, 3,985,930.40 and 1,581,618.21 is: 2,182,666.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,888,311.29 : 3,985,930.40 = 1,581,618.21 : x
  2. Step 2: Convert to fraction form
    2,888,311.29/3,985,930.40 = 1,581,618.21/x
  3. Step 3: Cross multiply
    2,888,311.29x = 3,985,930.40 × 1,581,618.21
  4. Step 4: Simplify right side
    2,888,311.29x = 6,304,220,096,524.49
  5. Step 5: Solve for x
    x = 6,304,220,096,524.49/2,888,311.29
  6. Step 6: Final answer
    x = 2,182,666.43

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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.