Home / 5,639,078.52-7,780,593.24-3,191,689.44

Finding the Fourth Proportional to 5,639,078.52, 7,780,593.24 and 3,191,689.44

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Solution

The fourth proportional to 5,639,078.52, 7,780,593.24 and 3,191,689.44 is: 4,403,775.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,639,078.52 : 7,780,593.24 = 3,191,689.44 : x
  2. Step 2: Convert to fraction form
    5,639,078.52/7,780,593.24 = 3,191,689.44/x
  3. Step 3: Cross multiply
    5,639,078.52x = 7,780,593.24 × 3,191,689.44
  4. Step 4: Simplify right side
    5,639,078.52x = 24,833,237,281,043.39
  5. Step 5: Solve for x
    x = 24,833,237,281,043.39/5,639,078.52
  6. Step 6: Final answer
    x = 4,403,775.76

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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.