Home / 1,512,129.15-2,268,193.73-1,396,655.55

Finding the Fourth Proportional to 1,512,129.15, 2,268,193.73 and 1,396,655.55

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Solution

The fourth proportional to 1,512,129.15, 2,268,193.73 and 1,396,655.55 is: 2,094,983.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,129.15 : 2,268,193.73 = 1,396,655.55 : x
  2. Step 2: Convert to fraction form
    1,512,129.15/2,268,193.73 = 1,396,655.55/x
  3. Step 3: Cross multiply
    1,512,129.15x = 2,268,193.73 × 1,396,655.55
  4. Step 4: Simplify right side
    1,512,129.15x = 3,167,885,354,496.42
  5. Step 5: Solve for x
    x = 3,167,885,354,496.42/1,512,129.15
  6. Step 6: Final answer
    x = 2,094,983.33

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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.