Home / 3,549,275.92-5,324,811.96-990,490.56

Finding the Fourth Proportional to 3,549,275.92, 5,324,811.96 and 990,490.56

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Solution

The fourth proportional to 3,549,275.92, 5,324,811.96 and 990,490.56 is: 1,485,986.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549,275.92 : 5,324,811.96 = 990,490.56 : x
  2. Step 2: Convert to fraction form
    3,549,275.92/5,324,811.96 = 990,490.56/x
  3. Step 3: Cross multiply
    3,549,275.92x = 5,324,811.96 × 990,490.56
  4. Step 4: Simplify right side
    3,549,275.92x = 5,274,175,980,155.10
  5. Step 5: Solve for x
    x = 5,274,175,980,155.10/3,549,275.92
  6. Step 6: Final answer
    x = 1,485,986.47

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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.