Home / 6,513,909.40-9,770,947.20-1,721,557.24

Finding the Fourth Proportional to 6,513,909.40, 9,770,947.20 and 1,721,557.24

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Solution

The fourth proportional to 6,513,909.40, 9,770,947.20 and 1,721,557.24 is: 2,582,357.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,513,909.40 : 9,770,947.20 = 1,721,557.24 : x
  2. Step 2: Convert to fraction form
    6,513,909.40/9,770,947.20 = 1,721,557.24/x
  3. Step 3: Cross multiply
    6,513,909.40x = 9,770,947.20 × 1,721,557.24
  4. Step 4: Simplify right side
    6,513,909.40x = 16,821,244,893,817.73
  5. Step 5: Solve for x
    x = 16,821,244,893,817.73/6,513,909.40
  6. Step 6: Final answer
    x = 2,582,357.82

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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.