Home / 2,125,887.83-3,190,154.21-863,715.46

Finding the Fourth Proportional to 2,125,887.83, 3,190,154.21 and 863,715.46

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Solution

The fourth proportional to 2,125,887.83, 3,190,154.21 and 863,715.46 is: 1,296,110.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125,887.83 : 3,190,154.21 = 863,715.46 : x
  2. Step 2: Convert to fraction form
    2,125,887.83/3,190,154.21 = 863,715.46/x
  3. Step 3: Cross multiply
    2,125,887.83x = 3,190,154.21 × 863,715.46
  4. Step 4: Simplify right side
    2,125,887.83x = 2,755,385,490,691.74
  5. Step 5: Solve for x
    x = 2,755,385,490,691.74/2,125,887.83
  6. Step 6: Final answer
    x = 1,296,110.48

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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.