Home / 3,680,323.20-5,520,705.24-1,155,978.36

Finding the Fourth Proportional to 3,680,323.20, 5,520,705.24 and 1,155,978.36

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Solution

The fourth proportional to 3,680,323.20, 5,520,705.24 and 1,155,978.36 is: 1,734,036.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,680,323.20 : 5,520,705.24 = 1,155,978.36 : x
  2. Step 2: Convert to fraction form
    3,680,323.20/5,520,705.24 = 1,155,978.36/x
  3. Step 3: Cross multiply
    3,680,323.20x = 5,520,705.24 × 1,155,978.36
  4. Step 4: Simplify right side
    3,680,323.20x = 6,381,815,789,378.61
  5. Step 5: Solve for x
    x = 6,381,815,789,378.61/3,680,323.20
  6. Step 6: Final answer
    x = 1,734,036.78

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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.