Home / 2,986,926.28-4,480,094.16-1,189,327.12

Finding the Fourth Proportional to 2,986,926.28, 4,480,094.16 and 1,189,327.12

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Solution

The fourth proportional to 2,986,926.28, 4,480,094.16 and 1,189,327.12 is: 1,783,873.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986,926.28 : 4,480,094.16 = 1,189,327.12 : x
  2. Step 2: Convert to fraction form
    2,986,926.28/4,480,094.16 = 1,189,327.12/x
  3. Step 3: Cross multiply
    2,986,926.28x = 4,480,094.16 × 1,189,327.12
  4. Step 4: Simplify right side
    2,986,926.28x = 5,328,297,484,641.62
  5. Step 5: Solve for x
    x = 5,328,297,484,641.62/2,986,926.28
  6. Step 6: Final answer
    x = 1,783,873.11

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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.