Home / 2,542,416.28-3,507,679.20-1,439,696.88

Finding the Fourth Proportional to 2,542,416.28, 3,507,679.20 and 1,439,696.88

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Solution

The fourth proportional to 2,542,416.28, 3,507,679.20 and 1,439,696.88 is: 1,986,297.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,542,416.28 : 3,507,679.20 = 1,439,696.88 : x
  2. Step 2: Convert to fraction form
    2,542,416.28/3,507,679.20 = 1,439,696.88/x
  3. Step 3: Cross multiply
    2,542,416.28x = 3,507,679.20 × 1,439,696.88
  4. Step 4: Simplify right side
    2,542,416.28x = 5,049,994,800,280.90
  5. Step 5: Solve for x
    x = 5,049,994,800,280.90/2,542,416.28
  6. Step 6: Final answer
    x = 1,986,297.38

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1.5x scale

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.