Home / 2,034,231.82-2,807,035.45-1,218,414.53

Finding the Fourth Proportional to 2,034,231.82, 2,807,035.45 and 1,218,414.53

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Solution

The fourth proportional to 2,034,231.82, 2,807,035.45 and 1,218,414.53 is: 1,681,289.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,034,231.82 : 2,807,035.45 = 1,218,414.53 : x
  2. Step 2: Convert to fraction form
    2,034,231.82/2,807,035.45 = 1,218,414.53/x
  3. Step 3: Cross multiply
    2,034,231.82x = 2,807,035.45 × 1,218,414.53
  4. Step 4: Simplify right side
    2,034,231.82x = 3,420,132,782,476.64
  5. Step 5: Solve for x
    x = 3,420,132,782,476.64/2,034,231.82
  6. Step 6: Final answer
    x = 1,681,289.59

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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.