Home / 3,439,319.12-5,158,972.48-914,974.32

Finding the Fourth Proportional to 3,439,319.12, 5,158,972.48 and 914,974.32

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Solution

The fourth proportional to 3,439,319.12, 5,158,972.48 and 914,974.32 is: 1,372,459.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439,319.12 : 5,158,972.48 = 914,974.32 : x
  2. Step 2: Convert to fraction form
    3,439,319.12/5,158,972.48 = 914,974.32/x
  3. Step 3: Cross multiply
    3,439,319.12x = 5,158,972.48 × 914,974.32
  4. Step 4: Simplify right side
    3,439,319.12x = 4,720,327,336,786.71
  5. Step 5: Solve for x
    x = 4,720,327,336,786.71/3,439,319.12
  6. Step 6: Final answer
    x = 1,372,459.83

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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.