Home / 5,126,687.70-7,690,468.95-1,340,164.50

Finding the Fourth Proportional to 5,126,687.70, 7,690,468.95 and 1,340,164.50

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Solution

The fourth proportional to 5,126,687.70, 7,690,468.95 and 1,340,164.50 is: 2,010,361.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126,687.70 : 7,690,468.95 = 1,340,164.50 : x
  2. Step 2: Convert to fraction form
    5,126,687.70/7,690,468.95 = 1,340,164.50/x
  3. Step 3: Cross multiply
    5,126,687.70x = 7,690,468.95 × 1,340,164.50
  4. Step 4: Simplify right side
    5,126,687.70x = 10,306,493,475,142.28
  5. Step 5: Solve for x
    x = 10,306,493,475,142.28/5,126,687.70
  6. Step 6: Final answer
    x = 2,010,361.09

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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.