Home / 3,643,542.60-5,456,565.90-1,956,928.20

Finding the Fourth Proportional to 3,643,542.60, 5,456,565.90 and 1,956,928.20

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Solution

The fourth proportional to 3,643,542.60, 5,456,565.90 and 1,956,928.20 is: 2,930,693.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643,542.60 : 5,456,565.90 = 1,956,928.20 : x
  2. Step 2: Convert to fraction form
    3,643,542.60/5,456,565.90 = 1,956,928.20/x
  3. Step 3: Cross multiply
    3,643,542.60x = 5,456,565.90 × 1,956,928.20
  4. Step 4: Simplify right side
    3,643,542.60x = 10,678,107,684,868.38
  5. Step 5: Solve for x
    x = 10,678,107,684,868.38/3,643,542.60
  6. Step 6: Final answer
    x = 2,930,693.79

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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.