Home / 2,315,649.12-3,197,155.20-1,445,808.12

Finding the Fourth Proportional to 2,315,649.12, 3,197,155.20 and 1,445,808.12

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Solution

The fourth proportional to 2,315,649.12, 3,197,155.20 and 1,445,808.12 is: 1,996,188.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,315,649.12 : 3,197,155.20 = 1,445,808.12 : x
  2. Step 2: Convert to fraction form
    2,315,649.12/3,197,155.20 = 1,445,808.12/x
  3. Step 3: Cross multiply
    2,315,649.12x = 3,197,155.20 × 1,445,808.12
  4. Step 4: Simplify right side
    2,315,649.12x = 4,622,472,949,060.22
  5. Step 5: Solve for x
    x = 4,622,472,949,060.22/2,315,649.12
  6. Step 6: Final answer
    x = 1,996,188.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.