Home / 5,159,618.92-7,739,404.02-1,321,434.04

Finding the Fourth Proportional to 5,159,618.92, 7,739,404.02 and 1,321,434.04

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Solution

The fourth proportional to 5,159,618.92, 7,739,404.02 and 1,321,434.04 is: 1,982,144.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,159,618.92 : 7,739,404.02 = 1,321,434.04 : x
  2. Step 2: Convert to fraction form
    5,159,618.92/7,739,404.02 = 1,321,434.04/x
  3. Step 3: Cross multiply
    5,159,618.92x = 7,739,404.02 × 1,321,434.04
  4. Step 4: Simplify right side
    5,159,618.92x = 10,227,111,921,340.84
  5. Step 5: Solve for x
    x = 10,227,111,921,340.84/5,159,618.92
  6. Step 6: Final answer
    x = 1,982,144.82

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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.