Home / 2,877,231.10-3,970,296.03-1,587,988.39

Finding the Fourth Proportional to 2,877,231.10, 3,970,296.03 and 1,587,988.39

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Solution

The fourth proportional to 2,877,231.10, 3,970,296.03 and 1,587,988.39 is: 2,191,267.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877,231.10 : 3,970,296.03 = 1,587,988.39 : x
  2. Step 2: Convert to fraction form
    2,877,231.10/3,970,296.03 = 1,587,988.39/x
  3. Step 3: Cross multiply
    2,877,231.10x = 3,970,296.03 × 1,587,988.39
  4. Step 4: Simplify right side
    2,877,231.10x = 6,304,784,000,503.09
  5. Step 5: Solve for x
    x = 6,304,784,000,503.09/2,877,231.10
  6. Step 6: Final answer
    x = 2,191,267.85

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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.