Home / 5,197,791.60-7,172,588.27-3,022,180.40

Finding the Fourth Proportional to 5,197,791.60, 7,172,588.27 and 3,022,180.40

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Solution

The fourth proportional to 5,197,791.60, 7,172,588.27 and 3,022,180.40 is: 4,170,397.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,197,791.60 : 7,172,588.27 = 3,022,180.40 : x
  2. Step 2: Convert to fraction form
    5,197,791.60/7,172,588.27 = 3,022,180.40/x
  3. Step 3: Cross multiply
    5,197,791.60x = 7,172,588.27 × 3,022,180.40
  4. Step 4: Simplify right side
    5,197,791.60x = 21,676,855,712,350.83
  5. Step 5: Solve for x
    x = 21,676,855,712,350.83/5,197,791.60
  6. Step 6: Final answer
    x = 4,170,397.23

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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.