Home / 2,591,622.80-3,887,434.20-908,896.40

Finding the Fourth Proportional to 2,591,622.80, 3,887,434.20 and 908,896.40

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Solution

The fourth proportional to 2,591,622.80, 3,887,434.20 and 908,896.40 is: 1,363,344.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,591,622.80 : 3,887,434.20 = 908,896.40 : x
  2. Step 2: Convert to fraction form
    2,591,622.80/3,887,434.20 = 908,896.40/x
  3. Step 3: Cross multiply
    2,591,622.80x = 3,887,434.20 × 908,896.40
  4. Step 4: Simplify right side
    2,591,622.80x = 3,533,274,949,616.88
  5. Step 5: Solve for x
    x = 3,533,274,949,616.88/2,591,622.80
  6. Step 6: Final answer
    x = 1,363,344.60

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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.