Home / 3,258,139.70-4,887,443.27-861,955.88

Finding the Fourth Proportional to 3,258,139.70, 4,887,443.27 and 861,955.88

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Solution

The fourth proportional to 3,258,139.70, 4,887,443.27 and 861,955.88 is: 1,292,995.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258,139.70 : 4,887,443.27 = 861,955.88 : x
  2. Step 2: Convert to fraction form
    3,258,139.70/4,887,443.27 = 861,955.88/x
  3. Step 3: Cross multiply
    3,258,139.70x = 4,887,443.27 × 861,955.88
  4. Step 4: Simplify right side
    3,258,139.70x = 4,212,760,464,742.93
  5. Step 5: Solve for x
    x = 4,212,760,464,742.93/3,258,139.70
  6. Step 6: Final answer
    x = 1,292,995.65

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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.