Home / 1,947,166.71-2,687,251.86-1,076,171.48

Finding the Fourth Proportional to 1,947,166.71, 2,687,251.86 and 1,076,171.48

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Solution

The fourth proportional to 1,947,166.71, 2,687,251.86 and 1,076,171.48 is: 1,485,206.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,166.71 : 2,687,251.86 = 1,076,171.48 : x
  2. Step 2: Convert to fraction form
    1,947,166.71/2,687,251.86 = 1,076,171.48/x
  3. Step 3: Cross multiply
    1,947,166.71x = 2,687,251.86 × 1,076,171.48
  4. Step 4: Simplify right side
    1,947,166.71x = 2,891,943,797,872.69
  5. Step 5: Solve for x
    x = 2,891,943,797,872.69/1,947,166.71
  6. Step 6: Final answer
    x = 1,485,206.06

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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.