Home / 1,917,044.20-2,645,529.78-1,057,604.20

Finding the Fourth Proportional to 1,917,044.20, 2,645,529.78 and 1,057,604.20

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Solution

The fourth proportional to 1,917,044.20, 2,645,529.78 and 1,057,604.20 is: 1,459,498.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,044.20 : 2,645,529.78 = 1,057,604.20 : x
  2. Step 2: Convert to fraction form
    1,917,044.20/2,645,529.78 = 1,057,604.20/x
  3. Step 3: Cross multiply
    1,917,044.20x = 2,645,529.78 × 1,057,604.20
  4. Step 4: Simplify right side
    1,917,044.20x = 2,797,923,406,553.08
  5. Step 5: Solve for x
    x = 2,797,923,406,553.08/1,917,044.20
  6. Step 6: Final answer
    x = 1,459,498.64

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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.