Home / 3,991,825.74-5,508,721.80-2,156,284.02

Finding the Fourth Proportional to 3,991,825.74, 5,508,721.80 and 2,156,284.02

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Solution

The fourth proportional to 3,991,825.74, 5,508,721.80 and 2,156,284.02 is: 2,975,673.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,991,825.74 : 5,508,721.80 = 2,156,284.02 : x
  2. Step 2: Convert to fraction form
    3,991,825.74/5,508,721.80 = 2,156,284.02/x
  3. Step 3: Cross multiply
    3,991,825.74x = 5,508,721.80 × 2,156,284.02
  4. Step 4: Simplify right side
    3,991,825.74x = 11,878,368,787,965.63
  5. Step 5: Solve for x
    x = 11,878,368,787,965.63/3,991,825.74
  6. Step 6: Final answer
    x = 2,975,673.18

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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.