Home / 2,258,321.22-3,116,490.48-1,225,829.88

Finding the Fourth Proportional to 2,258,321.22, 3,116,490.48 and 1,225,829.88

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Solution

The fourth proportional to 2,258,321.22, 3,116,490.48 and 1,225,829.88 is: 1,691,649.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,258,321.22 : 3,116,490.48 = 1,225,829.88 : x
  2. Step 2: Convert to fraction form
    2,258,321.22/3,116,490.48 = 1,225,829.88/x
  3. Step 3: Cross multiply
    2,258,321.22x = 3,116,490.48 × 1,225,829.88
  4. Step 4: Simplify right side
    2,258,321.22x = 3,820,287,151,119.54
  5. Step 5: Solve for x
    x = 3,820,287,151,119.54/2,258,321.22
  6. Step 6: Final answer
    x = 1,691,649.14

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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.