Home / 5,275,078.56-7,912,531.76-1,680,796.94

Finding the Fourth Proportional to 5,275,078.56, 7,912,531.76 and 1,680,796.94

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Solution

The fourth proportional to 5,275,078.56, 7,912,531.76 and 1,680,796.94 is: 2,521,167.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275,078.56 : 7,912,531.76 = 1,680,796.94 : x
  2. Step 2: Convert to fraction form
    5,275,078.56/7,912,531.76 = 1,680,796.94/x
  3. Step 3: Cross multiply
    5,275,078.56x = 7,912,531.76 × 1,680,796.94
  4. Step 4: Simplify right side
    5,275,078.56x = 13,299,359,121,894.17
  5. Step 5: Solve for x
    x = 13,299,359,121,894.17/5,275,078.56
  6. Step 6: Final answer
    x = 2,521,167.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.