Home / 1,917,143.52-2,645,521.56-1,079,057.40

Finding the Fourth Proportional to 1,917,143.52, 2,645,521.56 and 1,079,057.40

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Solution

The fourth proportional to 1,917,143.52, 2,645,521.56 and 1,079,057.40 is: 1,489,022.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,143.52 : 2,645,521.56 = 1,079,057.40 : x
  2. Step 2: Convert to fraction form
    1,917,143.52/2,645,521.56 = 1,079,057.40/x
  3. Step 3: Cross multiply
    1,917,143.52x = 2,645,521.56 × 1,079,057.40
  4. Step 4: Simplify right side
    1,917,143.52x = 2,854,669,616,177.54
  5. Step 5: Solve for x
    x = 2,854,669,616,177.54/1,917,143.52
  6. Step 6: Final answer
    x = 1,489,022.38

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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.