Home / 2,816,591.76-3,886,828.20-1,609,290

Finding the Fourth Proportional to 2,816,591.76, 3,886,828.20 and 1,609,290

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Solution

The fourth proportional to 2,816,591.76, 3,886,828.20 and 1,609,290 is: 2,220,781.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816,591.76 : 3,886,828.20 = 1,609,290 : x
  2. Step 2: Convert to fraction form
    2,816,591.76/3,886,828.20 = 1,609,290/x
  3. Step 3: Cross multiply
    2,816,591.76x = 3,886,828.20 × 1,609,290
  4. Step 4: Simplify right side
    2,816,591.76x = 6,255,033,753,978
  5. Step 5: Solve for x
    x = 6,255,033,753,978/2,816,591.76
  6. Step 6: Final answer
    x = 2,220,781.10

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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.