Home / 2,279,240.80-3,421,267.59-2,227,778.21

Finding the Fourth Proportional to 2,279,240.80, 3,421,267.59 and 2,227,778.21

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Solution

The fourth proportional to 2,279,240.80, 3,421,267.59 and 2,227,778.21 is: 3,344,019.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279,240.80 : 3,421,267.59 = 2,227,778.21 : x
  2. Step 2: Convert to fraction form
    2,279,240.80/3,421,267.59 = 2,227,778.21/x
  3. Step 3: Cross multiply
    2,279,240.80x = 3,421,267.59 × 2,227,778.21
  4. Step 4: Simplify right side
    2,279,240.80x = 7,621,825,387,581.21
  5. Step 5: Solve for x
    x = 7,621,825,387,581.21/2,279,240.80
  6. Step 6: Final answer
    x = 3,344,019.37

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1.5x scale

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.