Home / 2,818,216.80-4,222,486.80-1,319,234.40

Finding the Fourth Proportional to 2,818,216.80, 4,222,486.80 and 1,319,234.40

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Solution

The fourth proportional to 2,818,216.80, 4,222,486.80 and 1,319,234.40 is: 1,976,586.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818,216.80 : 4,222,486.80 = 1,319,234.40 : x
  2. Step 2: Convert to fraction form
    2,818,216.80/4,222,486.80 = 1,319,234.40/x
  3. Step 3: Cross multiply
    2,818,216.80x = 4,222,486.80 × 1,319,234.40
  4. Step 4: Simplify right side
    2,818,216.80x = 5,570,449,840,105.92
  5. Step 5: Solve for x
    x = 5,570,449,840,105.92/2,818,216.80
  6. Step 6: Final answer
    x = 1,976,586.70

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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.