Home / 1,589,473.43-2,199,249.32-1,385,948.48

Finding the Fourth Proportional to 1,589,473.43, 2,199,249.32 and 1,385,948.48

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Solution

The fourth proportional to 1,589,473.43, 2,199,249.32 and 1,385,948.48 is: 1,917,645.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,589,473.43 : 2,199,249.32 = 1,385,948.48 : x
  2. Step 2: Convert to fraction form
    1,589,473.43/2,199,249.32 = 1,385,948.48/x
  3. Step 3: Cross multiply
    1,589,473.43x = 2,199,249.32 × 1,385,948.48
  4. Step 4: Simplify right side
    1,589,473.43x = 3,048,046,234,269.05
  5. Step 5: Solve for x
    x = 3,048,046,234,269.05/1,589,473.43
  6. Step 6: Final answer
    x = 1,917,645.29

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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.