Home / 1,991,826.92-2,748,721.05-1,132,387.17

Finding the Fourth Proportional to 1,991,826.92, 2,748,721.05 and 1,132,387.17

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Solution

The fourth proportional to 1,991,826.92, 2,748,721.05 and 1,132,387.17 is: 1,562,694.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,991,826.92 : 2,748,721.05 = 1,132,387.17 : x
  2. Step 2: Convert to fraction form
    1,991,826.92/2,748,721.05 = 1,132,387.17/x
  3. Step 3: Cross multiply
    1,991,826.92x = 2,748,721.05 × 1,132,387.17
  4. Step 4: Simplify right side
    1,991,826.92x = 3,112,616,450,928.93
  5. Step 5: Solve for x
    x = 3,112,616,450,928.93/1,991,826.92
  6. Step 6: Final answer
    x = 1,562,694.24

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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.