Home / 2,208,986.20-3,313,479.30-1,642,115.80

Finding the Fourth Proportional to 2,208,986.20, 3,313,479.30 and 1,642,115.80

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Solution

The fourth proportional to 2,208,986.20, 3,313,479.30 and 1,642,115.80 is: 2,463,173.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208,986.20 : 3,313,479.30 = 1,642,115.80 : x
  2. Step 2: Convert to fraction form
    2,208,986.20/3,313,479.30 = 1,642,115.80/x
  3. Step 3: Cross multiply
    2,208,986.20x = 3,313,479.30 × 1,642,115.80
  4. Step 4: Simplify right side
    2,208,986.20x = 5,441,116,711,502.94
  5. Step 5: Solve for x
    x = 5,441,116,711,502.94/2,208,986.20
  6. Step 6: Final answer
    x = 2,463,173.70

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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.