Home / 2,847,538.65-3,929,550.82-1,558,353.18

Finding the Fourth Proportional to 2,847,538.65, 3,929,550.82 and 1,558,353.18

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Solution

The fourth proportional to 2,847,538.65, 3,929,550.82 and 1,558,353.18 is: 2,150,498.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847,538.65 : 3,929,550.82 = 1,558,353.18 : x
  2. Step 2: Convert to fraction form
    2,847,538.65/3,929,550.82 = 1,558,353.18/x
  3. Step 3: Cross multiply
    2,847,538.65x = 3,929,550.82 × 1,558,353.18
  4. Step 4: Simplify right side
    2,847,538.65x = 6,123,628,016,318.61
  5. Step 5: Solve for x
    x = 6,123,628,016,318.61/2,847,538.65
  6. Step 6: Final answer
    x = 2,150,498.65

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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.