Home / 1,991,961.03-2,748,914.91-1,086,562.47

Finding the Fourth Proportional to 1,991,961.03, 2,748,914.91 and 1,086,562.47

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Solution

The fourth proportional to 1,991,961.03, 2,748,914.91 and 1,086,562.47 is: 1,499,460.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,991,961.03 : 2,748,914.91 = 1,086,562.47 : x
  2. Step 2: Convert to fraction form
    1,991,961.03/2,748,914.91 = 1,086,562.47/x
  3. Step 3: Cross multiply
    1,991,961.03x = 2,748,914.91 × 1,086,562.47
  4. Step 4: Simplify right side
    1,991,961.03x = 2,986,867,774,429.43
  5. Step 5: Solve for x
    x = 2,986,867,774,429.43/1,991,961.03
  6. Step 6: Final answer
    x = 1,499,460.95

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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.