Home / 1,538,209.52-2,122,771.95-849,925.73

Finding the Fourth Proportional to 1,538,209.52, 2,122,771.95 and 849,925.73

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Solution

The fourth proportional to 1,538,209.52, 2,122,771.95 and 849,925.73 is: 1,172,921.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,209.52 : 2,122,771.95 = 849,925.73 : x
  2. Step 2: Convert to fraction form
    1,538,209.52/2,122,771.95 = 849,925.73/x
  3. Step 3: Cross multiply
    1,538,209.52x = 2,122,771.95 × 849,925.73
  4. Step 4: Simplify right side
    1,538,209.52x = 1,804,198,499,227.27
  5. Step 5: Solve for x
    x = 1,804,198,499,227.27/1,538,209.52
  6. Step 6: Final answer
    x = 1,172,921.16

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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.