Home / 2,815,629.90-4,223,444.64-1,298,864.04

Finding the Fourth Proportional to 2,815,629.90, 4,223,444.64 and 1,298,864.04

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Solution

The fourth proportional to 2,815,629.90, 4,223,444.64 and 1,298,864.04 is: 1,948,295.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,815,629.90 : 4,223,444.64 = 1,298,864.04 : x
  2. Step 2: Convert to fraction form
    2,815,629.90/4,223,444.64 = 1,298,864.04/x
  3. Step 3: Cross multiply
    2,815,629.90x = 4,223,444.64 × 1,298,864.04
  4. Step 4: Simplify right side
    2,815,629.90x = 5,485,680,367,826.75
  5. Step 5: Solve for x
    x = 5,485,680,367,826.75/2,815,629.90
  6. Step 6: Final answer
    x = 1,948,295.96

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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.