Home / 4,005,517.50-5,986,285.35-2,928,297.78

Finding the Fourth Proportional to 4,005,517.50, 5,986,285.35 and 2,928,297.78

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Solution

The fourth proportional to 4,005,517.50, 5,986,285.35 and 2,928,297.78 is: 4,376,369.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,005,517.50 : 5,986,285.35 = 2,928,297.78 : x
  2. Step 2: Convert to fraction form
    4,005,517.50/5,986,285.35 = 2,928,297.78/x
  3. Step 3: Cross multiply
    4,005,517.50x = 5,986,285.35 × 2,928,297.78
  4. Step 4: Simplify right side
    4,005,517.50x = 17,529,626,100,851.52
  5. Step 5: Solve for x
    x = 17,529,626,100,851.52/4,005,517.50
  6. Step 6: Final answer
    x = 4,376,369.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.