Home / 3,980,689.44-5,493,351.60-2,169,853.44

Finding the Fourth Proportional to 3,980,689.44, 5,493,351.60 and 2,169,853.44

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Solution

The fourth proportional to 3,980,689.44, 5,493,351.60 and 2,169,853.44 is: 2,994,397.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,980,689.44 : 5,493,351.60 = 2,169,853.44 : x
  2. Step 2: Convert to fraction form
    3,980,689.44/5,493,351.60 = 2,169,853.44/x
  3. Step 3: Cross multiply
    3,980,689.44x = 5,493,351.60 × 2,169,853.44
  4. Step 4: Simplify right side
    3,980,689.44x = 11,919,767,866,389.50
  5. Step 5: Solve for x
    x = 11,919,767,866,389.50/3,980,689.44
  6. Step 6: Final answer
    x = 2,994,397.84

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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.