Home / 5,127,153.20-7,691,168.82-1,340,630

Finding the Fourth Proportional to 5,127,153.20, 7,691,168.82 and 1,340,630

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Solution

The fourth proportional to 5,127,153.20, 7,691,168.82 and 1,340,630 is: 2,011,059.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127,153.20 : 7,691,168.82 = 1,340,630 : x
  2. Step 2: Convert to fraction form
    5,127,153.20/7,691,168.82 = 1,340,630/x
  3. Step 3: Cross multiply
    5,127,153.20x = 7,691,168.82 × 1,340,630
  4. Step 4: Simplify right side
    5,127,153.20x = 10,311,011,655,156.60
  5. Step 5: Solve for x
    x = 10,311,011,655,156.60/5,127,153.20
  6. Step 6: Final answer
    x = 2,011,059.79

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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.