Home / 2,969,866.38-4,098,476.97-1,680,706.56

Finding the Fourth Proportional to 2,969,866.38, 4,098,476.97 and 1,680,706.56

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Solution

The fourth proportional to 2,969,866.38, 4,098,476.97 and 1,680,706.56 is: 2,319,409.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,969,866.38 : 4,098,476.97 = 1,680,706.56 : x
  2. Step 2: Convert to fraction form
    2,969,866.38/4,098,476.97 = 1,680,706.56/x
  3. Step 3: Cross multiply
    2,969,866.38x = 4,098,476.97 × 1,680,706.56
  4. Step 4: Simplify right side
    2,969,866.38x = 6,888,337,129,487.92
  5. Step 5: Solve for x
    x = 6,888,337,129,487.92/2,969,866.38
  6. Step 6: Final answer
    x = 2,319,409.78

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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.