Home / 3,177,385.76-4,384,823.52-1,727,080.30

Finding the Fourth Proportional to 3,177,385.76, 4,384,823.52 and 1,727,080.30

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Solution

The fourth proportional to 3,177,385.76, 4,384,823.52 and 1,727,080.30 is: 2,383,387.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177,385.76 : 4,384,823.52 = 1,727,080.30 : x
  2. Step 2: Convert to fraction form
    3,177,385.76/4,384,823.52 = 1,727,080.30/x
  3. Step 3: Cross multiply
    3,177,385.76x = 4,384,823.52 × 1,727,080.30
  4. Step 4: Simplify right side
    3,177,385.76x = 7,572,942,320,368.66
  5. Step 5: Solve for x
    x = 7,572,942,320,368.66/3,177,385.76
  6. Step 6: Final answer
    x = 2,383,387.76

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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.