Home / 3,171,545.65-4,757,318.37-775,361.80

Finding the Fourth Proportional to 3,171,545.65, 4,757,318.37 and 775,361.80

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Solution

The fourth proportional to 3,171,545.65, 4,757,318.37 and 775,361.80 is: 1,163,042.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,545.65 : 4,757,318.37 = 775,361.80 : x
  2. Step 2: Convert to fraction form
    3,171,545.65/4,757,318.37 = 775,361.80/x
  3. Step 3: Cross multiply
    3,171,545.65x = 4,757,318.37 × 775,361.80
  4. Step 4: Simplify right side
    3,171,545.65x = 3,688,642,934,536.27
  5. Step 5: Solve for x
    x = 3,688,642,934,536.27/3,171,545.65
  6. Step 6: Final answer
    x = 1,163,042.67

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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.