Home / 3,549,211.70-5,324,713.28-990,424.51

Finding the Fourth Proportional to 3,549,211.70, 5,324,713.28 and 990,424.51

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Solution

The fourth proportional to 3,549,211.70, 5,324,713.28 and 990,424.51 is: 1,485,886.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549,211.70 : 5,324,713.28 = 990,424.51 : x
  2. Step 2: Convert to fraction form
    3,549,211.70/5,324,713.28 = 990,424.51/x
  3. Step 3: Cross multiply
    3,549,211.70x = 5,324,713.28 × 990,424.51
  4. Step 4: Simplify right side
    3,549,211.70x = 5,273,726,526,684.68
  5. Step 5: Solve for x
    x = 5,273,726,526,684.68/3,549,211.70
  6. Step 6: Final answer
    x = 1,485,886.72

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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.