Home / 5,275,251.10-7,912,790.79-1,680,969.52

Finding the Fourth Proportional to 5,275,251.10, 7,912,790.79 and 1,680,969.52

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Solution

The fourth proportional to 5,275,251.10, 7,912,790.79 and 1,680,969.52 is: 2,521,426.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275,251.10 : 7,912,790.79 = 1,680,969.52 : x
  2. Step 2: Convert to fraction form
    5,275,251.10/7,912,790.79 = 1,680,969.52/x
  3. Step 3: Cross multiply
    5,275,251.10x = 7,912,790.79 × 1,680,969.52
  4. Step 4: Simplify right side
    5,275,251.10x = 13,301,160,136,126.72
  5. Step 5: Solve for x
    x = 13,301,160,136,126.72/5,275,251.10
  6. Step 6: Final answer
    x = 2,521,426.92

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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.