Home / 3,087,723.66-4,631,812.53-813,231.42

Finding the Fourth Proportional to 3,087,723.66, 4,631,812.53 and 813,231.42

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Solution

The fourth proportional to 3,087,723.66, 4,631,812.53 and 813,231.42 is: 1,219,906.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087,723.66 : 4,631,812.53 = 813,231.42 : x
  2. Step 2: Convert to fraction form
    3,087,723.66/4,631,812.53 = 813,231.42/x
  3. Step 3: Cross multiply
    3,087,723.66x = 4,631,812.53 × 813,231.42
  4. Step 4: Simplify right side
    3,087,723.66x = 3,766,735,480,945.69
  5. Step 5: Solve for x
    x = 3,766,735,480,945.69/3,087,723.66
  6. Step 6: Final answer
    x = 1,219,906.93

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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.