Home / 2,143,082.22-3,213,785.52-776,531.34

Finding the Fourth Proportional to 2,143,082.22, 3,213,785.52 and 776,531.34

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Solution

The fourth proportional to 2,143,082.22, 3,213,785.52 and 776,531.34 is: 1,164,493.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,143,082.22 : 3,213,785.52 = 776,531.34 : x
  2. Step 2: Convert to fraction form
    2,143,082.22/3,213,785.52 = 776,531.34/x
  3. Step 3: Cross multiply
    2,143,082.22x = 3,213,785.52 × 776,531.34
  4. Step 4: Simplify right side
    2,143,082.22x = 2,495,605,176,318.20
  5. Step 5: Solve for x
    x = 2,495,605,176,318.20/2,143,082.22
  6. Step 6: Final answer
    x = 1,164,493.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.