Home / 5,907,407.87-8,862,687.05-2,120,923.55

Finding the Fourth Proportional to 5,907,407.87, 8,862,687.05 and 2,120,923.55

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Solution

The fourth proportional to 5,907,407.87, 8,862,687.05 and 2,120,923.55 is: 3,181,950.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,907,407.87 : 8,862,687.05 = 2,120,923.55 : x
  2. Step 2: Convert to fraction form
    5,907,407.87/8,862,687.05 = 2,120,923.55/x
  3. Step 3: Cross multiply
    5,907,407.87x = 8,862,687.05 × 2,120,923.55
  4. Step 4: Simplify right side
    5,907,407.87x = 18,797,081,680,625.03
  5. Step 5: Solve for x
    x = 18,797,081,680,625.03/5,907,407.87
  6. Step 6: Final answer
    x = 3,181,950.88

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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.