Home / 2,774,008.80-4,161,013.20-978,919.20

Finding the Fourth Proportional to 2,774,008.80, 4,161,013.20 and 978,919.20

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Solution

The fourth proportional to 2,774,008.80, 4,161,013.20 and 978,919.20 is: 1,468,378.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,774,008.80 : 4,161,013.20 = 978,919.20 : x
  2. Step 2: Convert to fraction form
    2,774,008.80/4,161,013.20 = 978,919.20/x
  3. Step 3: Cross multiply
    2,774,008.80x = 4,161,013.20 × 978,919.20
  4. Step 4: Simplify right side
    2,774,008.80x = 4,073,295,712,933.44
  5. Step 5: Solve for x
    x = 4,073,295,712,933.44/2,774,008.80
  6. Step 6: Final answer
    x = 1,468,378.80

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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.