Home / 2,146,458.20-3,221,760.90-1,306,650.20

Finding the Fourth Proportional to 2,146,458.20, 3,221,760.90 and 1,306,650.20

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Solution

The fourth proportional to 2,146,458.20, 3,221,760.90 and 1,306,650.20 is: 1,961,237.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146,458.20 : 3,221,760.90 = 1,306,650.20 : x
  2. Step 2: Convert to fraction form
    2,146,458.20/3,221,760.90 = 1,306,650.20/x
  3. Step 3: Cross multiply
    2,146,458.20x = 3,221,760.90 × 1,306,650.20
  4. Step 4: Simplify right side
    2,146,458.20x = 4,209,714,524,337.18
  5. Step 5: Solve for x
    x = 4,209,714,524,337.18/2,146,458.20
  6. Step 6: Final answer
    x = 1,961,237.60

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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.