Home / 3,991,804.03-5,508,691.59-2,156,262.22

Finding the Fourth Proportional to 3,991,804.03, 5,508,691.59 and 2,156,262.22

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Solution

The fourth proportional to 3,991,804.03, 5,508,691.59 and 2,156,262.22 is: 2,975,642.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,991,804.03 : 5,508,691.59 = 2,156,262.22 : x
  2. Step 2: Convert to fraction form
    3,991,804.03/5,508,691.59 = 2,156,262.22/x
  3. Step 3: Cross multiply
    3,991,804.03x = 5,508,691.59 × 2,156,262.22
  4. Step 4: Simplify right side
    3,991,804.03x = 11,878,183,557,148.73
  5. Step 5: Solve for x
    x = 11,878,183,557,148.73/3,991,804.03
  6. Step 6: Final answer
    x = 2,975,642.96

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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.