Home / 2,511,752.20-3,767,628.30-828,449.80

Finding the Fourth Proportional to 2,511,752.20, 3,767,628.30 and 828,449.80

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Solution

The fourth proportional to 2,511,752.20, 3,767,628.30 and 828,449.80 is: 1,242,674.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,511,752.20 : 3,767,628.30 = 828,449.80 : x
  2. Step 2: Convert to fraction form
    2,511,752.20/3,767,628.30 = 828,449.80/x
  3. Step 3: Cross multiply
    2,511,752.20x = 3,767,628.30 × 828,449.80
  4. Step 4: Simplify right side
    2,511,752.20x = 3,121,290,911,609.34
  5. Step 5: Solve for x
    x = 3,121,290,911,609.34/2,511,752.20
  6. Step 6: Final answer
    x = 1,242,674.70

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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.