Home / 1,915,176.71-2,642,961.83-1,055,767.73

Finding the Fourth Proportional to 1,915,176.71, 2,642,961.83 and 1,055,767.73

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Solution

The fourth proportional to 1,915,176.71, 2,642,961.83 and 1,055,767.73 is: 1,456,969.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,176.71 : 2,642,961.83 = 1,055,767.73 : x
  2. Step 2: Convert to fraction form
    1,915,176.71/2,642,961.83 = 1,055,767.73/x
  3. Step 3: Cross multiply
    1,915,176.71x = 2,642,961.83 × 1,055,767.73
  4. Step 4: Simplify right side
    1,915,176.71x = 2,790,353,793,242.10
  5. Step 5: Solve for x
    x = 2,790,353,793,242.10/1,915,176.71
  6. Step 6: Final answer
    x = 1,456,969.36

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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.