Home / 2,915,749.71-4,023,236.25-1,691,774.64

Finding the Fourth Proportional to 2,915,749.71, 4,023,236.25 and 1,691,774.64

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Solution

The fourth proportional to 2,915,749.71, 4,023,236.25 and 1,691,774.64 is: 2,334,359.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915,749.71 : 4,023,236.25 = 1,691,774.64 : x
  2. Step 2: Convert to fraction form
    2,915,749.71/4,023,236.25 = 1,691,774.64/x
  3. Step 3: Cross multiply
    2,915,749.71x = 4,023,236.25 × 1,691,774.64
  4. Step 4: Simplify right side
    2,915,749.71x = 6,806,409,058,478.70
  5. Step 5: Solve for x
    x = 6,806,409,058,478.70/2,915,749.71
  6. Step 6: Final answer
    x = 2,334,359.85

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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.