Home / 2,256,414.20-3,113,833.46-1,223,919.42

Finding the Fourth Proportional to 2,256,414.20, 3,113,833.46 and 1,223,919.42

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Solution

The fourth proportional to 2,256,414.20, 3,113,833.46 and 1,223,919.42 is: 1,688,998.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,256,414.20 : 3,113,833.46 = 1,223,919.42 : x
  2. Step 2: Convert to fraction form
    2,256,414.20/3,113,833.46 = 1,223,919.42/x
  3. Step 3: Cross multiply
    2,256,414.20x = 3,113,833.46 × 1,223,919.42
  4. Step 4: Simplify right side
    2,256,414.20x = 3,811,081,224,543.32
  5. Step 5: Solve for x
    x = 3,811,081,224,543.32/2,256,414.20
  6. Step 6: Final answer
    x = 1,688,998.96

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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.