Home / 3,160,872.12-4,741,320.48-764,712.90

Finding the Fourth Proportional to 3,160,872.12, 4,741,320.48 and 764,712.90

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Solution

The fourth proportional to 3,160,872.12, 4,741,320.48 and 764,712.90 is: 1,147,072.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160,872.12 : 4,741,320.48 = 764,712.90 : x
  2. Step 2: Convert to fraction form
    3,160,872.12/4,741,320.48 = 764,712.90/x
  3. Step 3: Cross multiply
    3,160,872.12x = 4,741,320.48 × 764,712.90
  4. Step 4: Simplify right side
    3,160,872.12x = 3,625,748,934,090.19
  5. Step 5: Solve for x
    x = 3,625,748,934,090.19/3,160,872.12
  6. Step 6: Final answer
    x = 1,147,072.33

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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.