Home / 1,913,057.58-2,640,138.86-1,053,617.61

Finding the Fourth Proportional to 1,913,057.58, 2,640,138.86 and 1,053,617.61

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Solution

The fourth proportional to 1,913,057.58, 2,640,138.86 and 1,053,617.61 is: 1,454,058.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,057.58 : 2,640,138.86 = 1,053,617.61 : x
  2. Step 2: Convert to fraction form
    1,913,057.58/2,640,138.86 = 1,053,617.61/x
  3. Step 3: Cross multiply
    1,913,057.58x = 2,640,138.86 × 1,053,617.61
  4. Step 4: Simplify right side
    1,913,057.58x = 2,781,696,790,473.24
  5. Step 5: Solve for x
    x = 2,781,696,790,473.24/1,913,057.58
  6. Step 6: Final answer
    x = 1,454,058.06

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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.