Home / 1,991,949.03-2,748,898.35-1,086,550.47

Finding the Fourth Proportional to 1,991,949.03, 2,748,898.35 and 1,086,550.47

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Solution

The fourth proportional to 1,991,949.03, 2,748,898.35 and 1,086,550.47 is: 1,499,444.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,991,949.03 : 2,748,898.35 = 1,086,550.47 : x
  2. Step 2: Convert to fraction form
    1,991,949.03/2,748,898.35 = 1,086,550.47/x
  3. Step 3: Cross multiply
    1,991,949.03x = 2,748,898.35 × 1,086,550.47
  4. Step 4: Simplify right side
    1,991,949.03x = 2,986,816,794,174.72
  5. Step 5: Solve for x
    x = 2,986,816,794,174.72/1,991,949.03
  6. Step 6: Final answer
    x = 1,499,444.39

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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.