Home / 7,121,834.66-10,682,765.36-1,730,489.64

Finding the Fourth Proportional to 7,121,834.66, 10,682,765.36 and 1,730,489.64

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Solution

The fourth proportional to 7,121,834.66, 10,682,765.36 and 1,730,489.64 is: 2,595,737.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,121,834.66 : 10,682,765.36 = 1,730,489.64 : x
  2. Step 2: Convert to fraction form
    7,121,834.66/10,682,765.36 = 1,730,489.64/x
  3. Step 3: Cross multiply
    7,121,834.66x = 10,682,765.36 × 1,730,489.64
  4. Step 4: Simplify right side
    7,121,834.66x = 18,486,414,773,378.42
  5. Step 5: Solve for x
    x = 18,486,414,773,378.42/7,121,834.66
  6. Step 6: Final answer
    x = 2,595,737.71

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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.