Home / 2,827,721.76-3,902,138.88-1,538,567.04

Finding the Fourth Proportional to 2,827,721.76, 3,902,138.88 and 1,538,567.04

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Solution

The fourth proportional to 2,827,721.76, 3,902,138.88 and 1,538,567.04 is: 2,123,158.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,827,721.76 : 3,902,138.88 = 1,538,567.04 : x
  2. Step 2: Convert to fraction form
    2,827,721.76/3,902,138.88 = 1,538,567.04/x
  3. Step 3: Cross multiply
    2,827,721.76x = 3,902,138.88 × 1,538,567.04
  4. Step 4: Simplify right side
    2,827,721.76x = 6,003,702,266,270.52
  5. Step 5: Solve for x
    x = 6,003,702,266,270.52/2,827,721.76
  6. Step 6: Final answer
    x = 2,123,158.77

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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.