Home / 2,125,780.20-3,189,059.10-863,735.40

Finding the Fourth Proportional to 2,125,780.20, 3,189,059.10 and 863,735.40

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Solution

The fourth proportional to 2,125,780.20, 3,189,059.10 and 863,735.40 is: 1,295,761.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125,780.20 : 3,189,059.10 = 863,735.40 : x
  2. Step 2: Convert to fraction form
    2,125,780.20/3,189,059.10 = 863,735.40/x
  3. Step 3: Cross multiply
    2,125,780.20x = 3,189,059.10 × 863,735.40
  4. Step 4: Simplify right side
    2,125,780.20x = 2,754,503,237,362.14
  5. Step 5: Solve for x
    x = 2,754,503,237,362.14/2,125,780.20
  6. Step 6: Final answer
    x = 1,295,761.08

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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.