Home / 2,083,815.60-3,127,691.70-1,286,654.10

Finding the Fourth Proportional to 2,083,815.60, 3,127,691.70 and 1,286,654.10

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Solution

The fourth proportional to 2,083,815.60, 3,127,691.70 and 1,286,654.10 is: 1,931,196.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083,815.60 : 3,127,691.70 = 1,286,654.10 : x
  2. Step 2: Convert to fraction form
    2,083,815.60/3,127,691.70 = 1,286,654.10/x
  3. Step 3: Cross multiply
    2,083,815.60x = 3,127,691.70 × 1,286,654.10
  4. Step 4: Simplify right side
    2,083,815.60x = 4,024,257,349,340.97
  5. Step 5: Solve for x
    x = 4,024,257,349,340.97/2,083,815.60
  6. Step 6: Final answer
    x = 1,931,196.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.