Home / 2,887,915.52-4,314,321.92-1,868,734.64

Finding the Fourth Proportional to 2,887,915.52, 4,314,321.92 and 1,868,734.64

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Solution

The fourth proportional to 2,887,915.52, 4,314,321.92 and 1,868,734.64 is: 2,791,744.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887,915.52 : 4,314,321.92 = 1,868,734.64 : x
  2. Step 2: Convert to fraction form
    2,887,915.52/4,314,321.92 = 1,868,734.64/x
  3. Step 3: Cross multiply
    2,887,915.52x = 4,314,321.92 × 1,868,734.64
  4. Step 4: Simplify right side
    2,887,915.52x = 8,062,322,820,015.31
  5. Step 5: Solve for x
    x = 8,062,322,820,015.31/2,887,915.52
  6. Step 6: Final answer
    x = 2,791,744.69

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.