Home / 3,115,979.59-4,300,040.23-1,739,311.29

Finding the Fourth Proportional to 3,115,979.59, 4,300,040.23 and 1,739,311.29

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Solution

The fourth proportional to 3,115,979.59, 4,300,040.23 and 1,739,311.29 is: 2,400,243.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,979.59 : 4,300,040.23 = 1,739,311.29 : x
  2. Step 2: Convert to fraction form
    3,115,979.59/4,300,040.23 = 1,739,311.29/x
  3. Step 3: Cross multiply
    3,115,979.59x = 4,300,040.23 × 1,739,311.29
  4. Step 4: Simplify right side
    3,115,979.59x = 7,479,108,519,493.20
  5. Step 5: Solve for x
    x = 7,479,108,519,493.20/3,115,979.59
  6. Step 6: Final answer
    x = 2,400,243.10

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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.