Home / 2,605,939.20-3,908,908.80-2,511,460.80

Finding the Fourth Proportional to 2,605,939.20, 3,908,908.80 and 2,511,460.80

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Solution

The fourth proportional to 2,605,939.20, 3,908,908.80 and 2,511,460.80 is: 3,767,191.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,605,939.20 : 3,908,908.80 = 2,511,460.80 : x
  2. Step 2: Convert to fraction form
    2,605,939.20/3,908,908.80 = 2,511,460.80/x
  3. Step 3: Cross multiply
    2,605,939.20x = 3,908,908.80 × 2,511,460.80
  4. Step 4: Simplify right side
    2,605,939.20x = 9,817,071,221,975.04
  5. Step 5: Solve for x
    x = 9,817,071,221,975.04/2,605,939.20
  6. Step 6: Final answer
    x = 3,767,191.20

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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.