Home / 2,290,609.65-3,161,079.39-1,258,212.90

Finding the Fourth Proportional to 2,290,609.65, 3,161,079.39 and 1,258,212.90

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Solution

The fourth proportional to 2,290,609.65, 3,161,079.39 and 1,258,212.90 is: 1,736,354.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290,609.65 : 3,161,079.39 = 1,258,212.90 : x
  2. Step 2: Convert to fraction form
    2,290,609.65/3,161,079.39 = 1,258,212.90/x
  3. Step 3: Cross multiply
    2,290,609.65x = 3,161,079.39 × 1,258,212.90
  4. Step 4: Simplify right side
    2,290,609.65x = 3,977,310,850,616.73
  5. Step 5: Solve for x
    x = 3,977,310,850,616.73/2,290,609.65
  6. Step 6: Final answer
    x = 1,736,354.71

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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.