Home / 1,791,140.46-2,687,760.45-1,285,156.14

Finding the Fourth Proportional to 1,791,140.46, 2,687,760.45 and 1,285,156.14

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Solution

The fourth proportional to 1,791,140.46, 2,687,760.45 and 1,285,156.14 is: 1,928,487.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791,140.46 : 2,687,760.45 = 1,285,156.14 : x
  2. Step 2: Convert to fraction form
    1,791,140.46/2,687,760.45 = 1,285,156.14/x
  3. Step 3: Cross multiply
    1,791,140.46x = 2,687,760.45 × 1,285,156.14
  4. Step 4: Simplify right side
    1,791,140.46x = 3,454,191,845,166.66
  5. Step 5: Solve for x
    x = 3,454,191,845,166.66/1,791,140.46
  6. Step 6: Final answer
    x = 1,928,487.42

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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.