Home / 2,877,115.42-3,970,411.08-1,587,946.55

Finding the Fourth Proportional to 2,877,115.42, 3,970,411.08 and 1,587,946.55

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Solution

The fourth proportional to 2,877,115.42, 3,970,411.08 and 1,587,946.55 is: 2,191,361.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877,115.42 : 3,970,411.08 = 1,587,946.55 : x
  2. Step 2: Convert to fraction form
    2,877,115.42/3,970,411.08 = 1,587,946.55/x
  3. Step 3: Cross multiply
    2,877,115.42x = 3,970,411.08 × 1,587,946.55
  4. Step 4: Simplify right side
    2,877,115.42x = 6,304,800,576,567.78
  5. Step 5: Solve for x
    x = 6,304,800,576,567.78/2,877,115.42
  6. Step 6: Final answer
    x = 2,191,361.71

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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.