Home / 1,991,962.60-2,748,910.98-1,086,559.72

Finding the Fourth Proportional to 1,991,962.60, 2,748,910.98 and 1,086,559.72

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Solution

The fourth proportional to 1,991,962.60, 2,748,910.98 and 1,086,559.72 is: 1,499,453.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,991,962.60 : 2,748,910.98 = 1,086,559.72 : x
  2. Step 2: Convert to fraction form
    1,991,962.60/2,748,910.98 = 1,086,559.72/x
  3. Step 3: Cross multiply
    1,991,962.60x = 2,748,910.98 × 1,086,559.72
  4. Step 4: Simplify right side
    1,991,962.60x = 2,986,855,944,733.73
  5. Step 5: Solve for x
    x = 2,986,855,944,733.73/1,991,962.60
  6. Step 6: Final answer
    x = 1,499,453.83

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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.