Home / 3,539,382.91-5,309,188.49-980,622.52

Finding the Fourth Proportional to 3,539,382.91, 5,309,188.49 and 980,622.52

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Solution

The fourth proportional to 3,539,382.91, 5,309,188.49 and 980,622.52 is: 1,470,965.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539,382.91 : 5,309,188.49 = 980,622.52 : x
  2. Step 2: Convert to fraction form
    3,539,382.91/5,309,188.49 = 980,622.52/x
  3. Step 3: Cross multiply
    3,539,382.91x = 5,309,188.49 × 980,622.52
  4. Step 4: Simplify right side
    3,539,382.91x = 5,206,309,785,397.38
  5. Step 5: Solve for x
    x = 5,206,309,785,397.38/3,539,382.91
  6. Step 6: Final answer
    x = 1,470,965.40

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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.