Home / 5,135,546.17-7,087,002.87-2,780,732.62

Finding the Fourth Proportional to 5,135,546.17, 7,087,002.87 and 2,780,732.62

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Solution

The fourth proportional to 5,135,546.17, 7,087,002.87 and 2,780,732.62 is: 3,837,383.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135,546.17 : 7,087,002.87 = 2,780,732.62 : x
  2. Step 2: Convert to fraction form
    5,135,546.17/7,087,002.87 = 2,780,732.62/x
  3. Step 3: Cross multiply
    5,135,546.17x = 7,087,002.87 × 2,780,732.62
  4. Step 4: Simplify right side
    5,135,546.17x = 19,707,060,058,642.62
  5. Step 5: Solve for x
    x = 19,707,060,058,642.62/5,135,546.17
  6. Step 6: Final answer
    x = 3,837,383.48

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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.