Home / 2,746,392.80-4,119,589.20-853,119.20

Finding the Fourth Proportional to 2,746,392.80, 4,119,589.20 and 853,119.20

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Solution

The fourth proportional to 2,746,392.80, 4,119,589.20 and 853,119.20 is: 1,279,678.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,746,392.80 : 4,119,589.20 = 853,119.20 : x
  2. Step 2: Convert to fraction form
    2,746,392.80/4,119,589.20 = 853,119.20/x
  3. Step 3: Cross multiply
    2,746,392.80x = 4,119,589.20 × 853,119.20
  4. Step 4: Simplify right side
    2,746,392.80x = 3,514,500,642,632.64
  5. Step 5: Solve for x
    x = 3,514,500,642,632.64/2,746,392.80
  6. Step 6: Final answer
    x = 1,279,678.80

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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.