Home / 2,157,467.20-3,236,200.80-1,485,620.80

Finding the Fourth Proportional to 2,157,467.20, 3,236,200.80 and 1,485,620.80

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Solution

The fourth proportional to 2,157,467.20, 3,236,200.80 and 1,485,620.80 is: 2,228,431.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,467.20 : 3,236,200.80 = 1,485,620.80 : x
  2. Step 2: Convert to fraction form
    2,157,467.20/3,236,200.80 = 1,485,620.80/x
  3. Step 3: Cross multiply
    2,157,467.20x = 3,236,200.80 × 1,485,620.80
  4. Step 4: Simplify right side
    2,157,467.20x = 4,807,767,221,456.64
  5. Step 5: Solve for x
    x = 4,807,767,221,456.64/2,157,467.20
  6. Step 6: Final answer
    x = 2,228,431.20

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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.