Home / 1,993,386.08-2,990,472.96-731,224.64

Finding the Fourth Proportional to 1,993,386.08, 2,990,472.96 and 731,224.64

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Solution

The fourth proportional to 1,993,386.08, 2,990,472.96 and 731,224.64 is: 1,096,981.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,386.08 : 2,990,472.96 = 731,224.64 : x
  2. Step 2: Convert to fraction form
    1,993,386.08/2,990,472.96 = 731,224.64/x
  3. Step 3: Cross multiply
    1,993,386.08x = 2,990,472.96 × 731,224.64
  4. Step 4: Simplify right side
    1,993,386.08x = 2,186,707,513,605.73
  5. Step 5: Solve for x
    x = 2,186,707,513,605.73/1,993,386.08
  6. Step 6: Final answer
    x = 1,096,981.43

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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.