Home / 3,684,742.60-5,084,955.32-2,136,305.20

Finding the Fourth Proportional to 3,684,742.60, 5,084,955.32 and 2,136,305.20

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Solution

The fourth proportional to 3,684,742.60, 5,084,955.32 and 2,136,305.20 is: 2,948,107.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,684,742.60 : 5,084,955.32 = 2,136,305.20 : x
  2. Step 2: Convert to fraction form
    3,684,742.60/5,084,955.32 = 2,136,305.20/x
  3. Step 3: Cross multiply
    3,684,742.60x = 5,084,955.32 × 2,136,305.20
  4. Step 4: Simplify right side
    3,684,742.60x = 10,863,016,491,883.67
  5. Step 5: Solve for x
    x = 10,863,016,491,883.67/3,684,742.60
  6. Step 6: Final answer
    x = 2,948,107.28

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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.