Home / 3,259,715.90-4,889,355.15-863,509.10

Finding the Fourth Proportional to 3,259,715.90, 4,889,355.15 and 863,509.10

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Solution

The fourth proportional to 3,259,715.90, 4,889,355.15 and 863,509.10 is: 1,295,205.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,259,715.90 : 4,889,355.15 = 863,509.10 : x
  2. Step 2: Convert to fraction form
    3,259,715.90/4,889,355.15 = 863,509.10/x
  3. Step 3: Cross multiply
    3,259,715.90x = 4,889,355.15 × 863,509.10
  4. Step 4: Simplify right side
    3,259,715.90x = 4,222,002,665,156.87
  5. Step 5: Solve for x
    x = 4,222,002,665,156.87/3,259,715.90
  6. Step 6: Final answer
    x = 1,295,205.72

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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.