Home / 3,160,870.99-4,741,318.79-764,711.78

Finding the Fourth Proportional to 3,160,870.99, 4,741,318.79 and 764,711.78

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Solution

The fourth proportional to 3,160,870.99, 4,741,318.79 and 764,711.78 is: 1,147,070.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160,870.99 : 4,741,318.79 = 764,711.78 : x
  2. Step 2: Convert to fraction form
    3,160,870.99/4,741,318.79 = 764,711.78/x
  3. Step 3: Cross multiply
    3,160,870.99x = 4,741,318.79 × 764,711.78
  4. Step 4: Simplify right side
    3,160,870.99x = 3,625,742,331,448.35
  5. Step 5: Solve for x
    x = 3,625,742,331,448.35/3,160,870.99
  6. Step 6: Final answer
    x = 1,147,070.65

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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.