Home / 5,127,154.20-7,691,170.32-1,340,631

Finding the Fourth Proportional to 5,127,154.20, 7,691,170.32 and 1,340,631

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Solution

The fourth proportional to 5,127,154.20, 7,691,170.32 and 1,340,631 is: 2,011,061.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127,154.20 : 7,691,170.32 = 1,340,631 : x
  2. Step 2: Convert to fraction form
    5,127,154.20/7,691,170.32 = 1,340,631/x
  3. Step 3: Cross multiply
    5,127,154.20x = 7,691,170.32 × 1,340,631
  4. Step 4: Simplify right side
    5,127,154.20x = 10,311,021,357,271.92
  5. Step 5: Solve for x
    x = 10,311,021,357,271.92/5,127,154.20
  6. Step 6: Final answer
    x = 2,011,061.29

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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.