Home / 2,138,449.64-3,207,406.75-699,012.41

Finding the Fourth Proportional to 2,138,449.64, 3,207,406.75 and 699,012.41

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Solution

The fourth proportional to 2,138,449.64, 3,207,406.75 and 699,012.41 is: 1,048,431.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,449.64 : 3,207,406.75 = 699,012.41 : x
  2. Step 2: Convert to fraction form
    2,138,449.64/3,207,406.75 = 699,012.41/x
  3. Step 3: Cross multiply
    2,138,449.64x = 3,207,406.75 × 699,012.41
  4. Step 4: Simplify right side
    2,138,449.64x = 2,242,017,104,383.20
  5. Step 5: Solve for x
    x = 2,242,017,104,383.20/2,138,449.64
  6. Step 6: Final answer
    x = 1,048,431.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.