Home / 5,220,689.60-7,824,813.60-2,188,049.60

Finding the Fourth Proportional to 5,220,689.60, 7,824,813.60 and 2,188,049.60

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Solution

The fourth proportional to 5,220,689.60, 7,824,813.60 and 2,188,049.60 is: 3,279,467.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220,689.60 : 7,824,813.60 = 2,188,049.60 : x
  2. Step 2: Convert to fraction form
    5,220,689.60/7,824,813.60 = 2,188,049.60/x
  3. Step 3: Cross multiply
    5,220,689.60x = 7,824,813.60 × 2,188,049.60
  4. Step 4: Simplify right side
    5,220,689.60x = 17,121,080,267,554.56
  5. Step 5: Solve for x
    x = 17,121,080,267,554.56/5,220,689.60
  6. Step 6: Final answer
    x = 3,279,467.19

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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.