Home / 1,940,882.39-2,678,428.32-1,125,569.47

Finding the Fourth Proportional to 1,940,882.39, 2,678,428.32 and 1,125,569.47

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Solution

The fourth proportional to 1,940,882.39, 2,678,428.32 and 1,125,569.47 is: 1,553,292.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940,882.39 : 2,678,428.32 = 1,125,569.47 : x
  2. Step 2: Convert to fraction form
    1,940,882.39/2,678,428.32 = 1,125,569.47/x
  3. Step 3: Cross multiply
    1,940,882.39x = 2,678,428.32 × 1,125,569.47
  4. Step 4: Simplify right side
    1,940,882.39x = 3,014,757,138,680.49
  5. Step 5: Solve for x
    x = 3,014,757,138,680.49/1,940,882.39
  6. Step 6: Final answer
    x = 1,553,292.03

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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.