Home / 3,549,436.20-5,323,103.28-990,033.96

Finding the Fourth Proportional to 3,549,436.20, 5,323,103.28 and 990,033.96

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Solution

The fourth proportional to 3,549,436.20, 5,323,103.28 and 990,033.96 is: 1,484,757.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549,436.20 : 5,323,103.28 = 990,033.96 : x
  2. Step 2: Convert to fraction form
    3,549,436.20/5,323,103.28 = 990,033.96/x
  3. Step 3: Cross multiply
    3,549,436.20x = 5,323,103.28 × 990,033.96
  4. Step 4: Simplify right side
    3,549,436.20x = 5,270,053,019,787.39
  5. Step 5: Solve for x
    x = 5,270,053,019,787.39/3,549,436.20
  6. Step 6: Final answer
    x = 1,484,757.78

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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.