Home / 5,645,465.60-7,789,026.11-3,197,687.72

Finding the Fourth Proportional to 5,645,465.60, 7,789,026.11 and 3,197,687.72

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Solution

The fourth proportional to 5,645,465.60, 7,789,026.11 and 3,197,687.72 is: 4,411,836.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,645,465.60 : 7,789,026.11 = 3,197,687.72 : x
  2. Step 2: Convert to fraction form
    5,645,465.60/7,789,026.11 = 3,197,687.72/x
  3. Step 3: Cross multiply
    5,645,465.60x = 7,789,026.11 × 3,197,687.72
  4. Step 4: Simplify right side
    5,645,465.60x = 24,906,873,087,772.80
  5. Step 5: Solve for x
    x = 24,906,873,087,772.80/5,645,465.60
  6. Step 6: Final answer
    x = 4,411,836.84

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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.