Home / 3,258,141.98-4,887,446.65-861,958.13

Finding the Fourth Proportional to 3,258,141.98, 4,887,446.65 and 861,958.13

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Solution

The fourth proportional to 3,258,141.98, 4,887,446.65 and 861,958.13 is: 1,292,999.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258,141.98 : 4,887,446.65 = 861,958.13 : x
  2. Step 2: Convert to fraction form
    3,258,141.98/4,887,446.65 = 861,958.13/x
  3. Step 3: Cross multiply
    3,258,141.98x = 4,887,446.65 × 861,958.13
  4. Step 4: Simplify right side
    3,258,141.98x = 4,212,774,348,316.64
  5. Step 5: Solve for x
    x = 4,212,774,348,316.64/3,258,141.98
  6. Step 6: Final answer
    x = 1,292,999.01

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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.