Home / 5,639,251.22-7,781,965.30-3,191,809.71

Finding the Fourth Proportional to 5,639,251.22, 7,781,965.30 and 3,191,809.71

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Solution

The fourth proportional to 5,639,251.22, 7,781,965.30 and 3,191,809.71 is: 4,404,583.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,639,251.22 : 7,781,965.30 = 3,191,809.71 : x
  2. Step 2: Convert to fraction form
    5,639,251.22/7,781,965.30 = 3,191,809.71/x
  3. Step 3: Cross multiply
    5,639,251.22x = 7,781,965.30 × 3,191,809.71
  4. Step 4: Simplify right side
    5,639,251.22x = 24,838,552,352,554.19
  5. Step 5: Solve for x
    x = 24,838,552,352,554.19/5,639,251.22
  6. Step 6: Final answer
    x = 4,404,583.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.