Home / 4,005,515.50-5,986,282.37-2,928,295.78

Finding the Fourth Proportional to 4,005,515.50, 5,986,282.37 and 2,928,295.78

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Solution

The fourth proportional to 4,005,515.50, 5,986,282.37 and 2,928,295.78 is: 4,376,366.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,005,515.50 : 5,986,282.37 = 2,928,295.78 : x
  2. Step 2: Convert to fraction form
    4,005,515.50/5,986,282.37 = 2,928,295.78/x
  3. Step 3: Cross multiply
    4,005,515.50x = 5,986,282.37 × 2,928,295.78
  4. Step 4: Simplify right side
    4,005,515.50x = 17,529,605,401,959.40
  5. Step 5: Solve for x
    x = 17,529,605,401,959.40/4,005,515.50
  6. Step 6: Final answer
    x = 4,376,366.89

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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.