Home / 3,160,870.62-4,741,318.23-764,711.40

Finding the Fourth Proportional to 3,160,870.62, 4,741,318.23 and 764,711.40

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Solution

The fourth proportional to 3,160,870.62, 4,741,318.23 and 764,711.40 is: 1,147,070.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160,870.62 : 4,741,318.23 = 764,711.40 : x
  2. Step 2: Convert to fraction form
    3,160,870.62/4,741,318.23 = 764,711.40/x
  3. Step 3: Cross multiply
    3,160,870.62x = 4,741,318.23 × 764,711.40
  4. Step 4: Simplify right side
    3,160,870.62x = 3,625,740,101,508.82
  5. Step 5: Solve for x
    x = 3,625,740,101,508.82/3,160,870.62
  6. Step 6: Final answer
    x = 1,147,070.08

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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.