Home / 2,042,132.64-2,818,093.68-1,278,607.20

Finding the Fourth Proportional to 2,042,132.64, 2,818,093.68 and 1,278,607.20

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Solution

The fourth proportional to 2,042,132.64, 2,818,093.68 and 1,278,607.20 is: 1,764,447.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,042,132.64 : 2,818,093.68 = 1,278,607.20 : x
  2. Step 2: Convert to fraction form
    2,042,132.64/2,818,093.68 = 1,278,607.20/x
  3. Step 3: Cross multiply
    2,042,132.64x = 2,818,093.68 × 1,278,607.20
  4. Step 4: Simplify right side
    2,042,132.64x = 3,603,234,869,522.50
  5. Step 5: Solve for x
    x = 3,603,234,869,522.50/2,042,132.64
  6. Step 6: Final answer
    x = 1,764,447.03

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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.