Home / 2,290,649.30-3,161,162.34-1,310,747.66

Finding the Fourth Proportional to 2,290,649.30, 3,161,162.34 and 1,310,747.66

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Solution

The fourth proportional to 2,290,649.30, 3,161,162.34 and 1,310,747.66 is: 1,808,869.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290,649.30 : 3,161,162.34 = 1,310,747.66 : x
  2. Step 2: Convert to fraction form
    2,290,649.30/3,161,162.34 = 1,310,747.66/x
  3. Step 3: Cross multiply
    2,290,649.30x = 3,161,162.34 × 1,310,747.66
  4. Step 4: Simplify right side
    2,290,649.30x = 4,143,486,140,035.12
  5. Step 5: Solve for x
    x = 4,143,486,140,035.12/2,290,649.30
  6. Step 6: Final answer
    x = 1,808,869.71

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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.