Home / 2,877,229.40-3,970,293.66-1,587,986.64

Finding the Fourth Proportional to 2,877,229.40, 3,970,293.66 and 1,587,986.64

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Solution

The fourth proportional to 2,877,229.40, 3,970,293.66 and 1,587,986.64 is: 2,191,265.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877,229.40 : 3,970,293.66 = 1,587,986.64 : x
  2. Step 2: Convert to fraction form
    2,877,229.40/3,970,293.66 = 1,587,986.64/x
  3. Step 3: Cross multiply
    2,877,229.40x = 3,970,293.66 × 1,587,986.64
  4. Step 4: Simplify right side
    2,877,229.40x = 6,304,773,288,956.70
  5. Step 5: Solve for x
    x = 6,304,773,288,956.70/2,877,229.40
  6. Step 6: Final answer
    x = 2,191,265.42

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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.