Home / 2,070,891.45-3,106,780.70-1,172,757.69

Finding the Fourth Proportional to 2,070,891.45, 3,106,780.70 and 1,172,757.69

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Solution

The fourth proportional to 2,070,891.45, 3,106,780.70 and 1,172,757.69 is: 1,759,387.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,070,891.45 : 3,106,780.70 = 1,172,757.69 : x
  2. Step 2: Convert to fraction form
    2,070,891.45/3,106,780.70 = 1,172,757.69/x
  3. Step 3: Cross multiply
    2,070,891.45x = 3,106,780.70 × 1,172,757.69
  4. Step 4: Simplify right side
    2,070,891.45x = 3,643,500,951,204.79
  5. Step 5: Solve for x
    x = 3,643,500,951,204.79/2,070,891.45
  6. Step 6: Final answer
    x = 1,759,387.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.