Home / 1,993,189.92-2,988,007.20-730,723.20

Finding the Fourth Proportional to 1,993,189.92, 2,988,007.20 and 730,723.20

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Solution

The fourth proportional to 1,993,189.92, 2,988,007.20 and 730,723.20 is: 1,095,433.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,189.92 : 2,988,007.20 = 730,723.20 : x
  2. Step 2: Convert to fraction form
    1,993,189.92/2,988,007.20 = 730,723.20/x
  3. Step 3: Cross multiply
    1,993,189.92x = 2,988,007.20 × 730,723.20
  4. Step 4: Simplify right side
    1,993,189.92x = 2,183,406,182,807.04
  5. Step 5: Solve for x
    x = 2,183,406,182,807.04/1,993,189.92
  6. Step 6: Final answer
    x = 1,095,433.08

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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.