Home / 5,078,040.97-7,007,695.77-2,902,630.83

Finding the Fourth Proportional to 5,078,040.97, 7,007,695.77 and 2,902,630.83

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Solution

The fourth proportional to 5,078,040.97, 7,007,695.77 and 2,902,630.83 is: 4,005,630.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078,040.97 : 7,007,695.77 = 2,902,630.83 : x
  2. Step 2: Convert to fraction form
    5,078,040.97/7,007,695.77 = 2,902,630.83/x
  3. Step 3: Cross multiply
    5,078,040.97x = 7,007,695.77 × 2,902,630.83
  4. Step 4: Simplify right side
    5,078,040.97x = 20,340,753,800,147.45
  5. Step 5: Solve for x
    x = 20,340,753,800,147.45/5,078,040.97
  6. Step 6: Final answer
    x = 4,005,630.11

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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.