Home / 3,787,214.60-5,226,361.98-2,155,621.92

Finding the Fourth Proportional to 3,787,214.60, 5,226,361.98 and 2,155,621.92

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Solution

The fourth proportional to 3,787,214.60, 5,226,361.98 and 2,155,621.92 is: 2,974,761.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787,214.60 : 5,226,361.98 = 2,155,621.92 : x
  2. Step 2: Convert to fraction form
    3,787,214.60/5,226,361.98 = 2,155,621.92/x
  3. Step 3: Cross multiply
    3,787,214.60x = 5,226,361.98 × 2,155,621.92
  4. Step 4: Simplify right side
    3,787,214.60x = 11,266,060,445,942.60
  5. Step 5: Solve for x
    x = 11,266,060,445,942.60/3,787,214.60
  6. Step 6: Final answer
    x = 2,974,761.57

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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.