Home / 1,917,338.76-2,645,455.68-1,172,076.48

Finding the Fourth Proportional to 1,917,338.76, 2,645,455.68 and 1,172,076.48

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Solution

The fourth proportional to 1,917,338.76, 2,645,455.68 and 1,172,076.48 is: 1,617,177.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,338.76 : 2,645,455.68 = 1,172,076.48 : x
  2. Step 2: Convert to fraction form
    1,917,338.76/2,645,455.68 = 1,172,076.48/x
  3. Step 3: Cross multiply
    1,917,338.76x = 2,645,455.68 × 1,172,076.48
  4. Step 4: Simplify right side
    1,917,338.76x = 3,100,676,381,410.41
  5. Step 5: Solve for x
    x = 3,100,676,381,410.41/1,917,338.76
  6. Step 6: Final answer
    x = 1,617,177.12

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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.