Home / 1,993,172.15-2,990,151.68-731,010.71

Finding the Fourth Proportional to 1,993,172.15, 2,990,151.68 and 731,010.71

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Solution

The fourth proportional to 1,993,172.15, 2,990,151.68 and 731,010.71 is: 1,096,660.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,172.15 : 2,990,151.68 = 731,010.71 : x
  2. Step 2: Convert to fraction form
    1,993,172.15/2,990,151.68 = 731,010.71/x
  3. Step 3: Cross multiply
    1,993,172.15x = 2,990,151.68 × 731,010.71
  4. Step 4: Simplify right side
    1,993,172.15x = 2,185,832,883,998.68
  5. Step 5: Solve for x
    x = 2,185,832,883,998.68/1,993,172.15
  6. Step 6: Final answer
    x = 1,096,660.36

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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.