Home / 2,828,140.92-3,902,827.25-1,538,980.97

Finding the Fourth Proportional to 2,828,140.92, 3,902,827.25 and 1,538,980.97

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Solution

The fourth proportional to 2,828,140.92, 3,902,827.25 and 1,538,980.97 is: 2,123,789.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828,140.92 : 3,902,827.25 = 1,538,980.97 : x
  2. Step 2: Convert to fraction form
    2,828,140.92/3,902,827.25 = 1,538,980.97/x
  3. Step 3: Cross multiply
    2,828,140.92x = 3,902,827.25 × 1,538,980.97
  4. Step 4: Simplify right side
    2,828,140.92x = 6,006,376,851,280.75
  5. Step 5: Solve for x
    x = 6,006,376,851,280.75/2,828,140.92
  6. Step 6: Final answer
    x = 2,123,789.80

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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.