Home / 2,406,821.20-3,321,456.20-1,319,020.56

Finding the Fourth Proportional to 2,406,821.20, 3,321,456.20 and 1,319,020.56

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Solution

The fourth proportional to 2,406,821.20, 3,321,456.20 and 1,319,020.56 is: 1,820,271.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,406,821.20 : 3,321,456.20 = 1,319,020.56 : x
  2. Step 2: Convert to fraction form
    2,406,821.20/3,321,456.20 = 1,319,020.56/x
  3. Step 3: Cross multiply
    2,406,821.20x = 3,321,456.20 × 1,319,020.56
  4. Step 4: Simplify right side
    2,406,821.20x = 4,381,069,016,939.47
  5. Step 5: Solve for x
    x = 4,381,069,016,939.47/2,406,821.20
  6. Step 6: Final answer
    x = 1,820,271.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.