Home / 2,877,149.82-3,970,184.08-1,587,906.98

Finding the Fourth Proportional to 2,877,149.82, 3,970,184.08 and 1,587,906.98

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Solution

The fourth proportional to 2,877,149.82, 3,970,184.08 and 1,587,906.98 is: 2,191,155.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877,149.82 : 3,970,184.08 = 1,587,906.98 : x
  2. Step 2: Convert to fraction form
    2,877,149.82/3,970,184.08 = 1,587,906.98/x
  3. Step 3: Cross multiply
    2,877,149.82x = 3,970,184.08 × 1,587,906.98
  4. Step 4: Simplify right side
    2,877,149.82x = 6,304,283,012,516.88
  5. Step 5: Solve for x
    x = 6,304,283,012,516.88/2,877,149.82
  6. Step 6: Final answer
    x = 2,191,155.63

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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.