Home / 3,991,804.14-5,508,691.74-2,156,262.33

Finding the Fourth Proportional to 3,991,804.14, 5,508,691.74 and 2,156,262.33

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Solution

The fourth proportional to 3,991,804.14, 5,508,691.74 and 2,156,262.33 is: 2,975,643.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,991,804.14 : 5,508,691.74 = 2,156,262.33 : x
  2. Step 2: Convert to fraction form
    3,991,804.14/5,508,691.74 = 2,156,262.33/x
  3. Step 3: Cross multiply
    3,991,804.14x = 5,508,691.74 × 2,156,262.33
  4. Step 4: Simplify right side
    3,991,804.14x = 11,878,184,486,544.15
  5. Step 5: Solve for x
    x = 11,878,184,486,544.15/3,991,804.14
  6. Step 6: Final answer
    x = 2,975,643.11

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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.