Home / 2,345,172.78-3,517,722.21-747,725.10

Finding the Fourth Proportional to 2,345,172.78, 3,517,722.21 and 747,725.10

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Solution

The fourth proportional to 2,345,172.78, 3,517,722.21 and 747,725.10 is: 1,121,575.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,345,172.78 : 3,517,722.21 = 747,725.10 : x
  2. Step 2: Convert to fraction form
    2,345,172.78/3,517,722.21 = 747,725.10/x
  3. Step 3: Cross multiply
    2,345,172.78x = 3,517,722.21 × 747,725.10
  4. Step 4: Simplify right side
    2,345,172.78x = 2,630,289,191,244.47
  5. Step 5: Solve for x
    x = 2,630,289,191,244.47/2,345,172.78
  6. Step 6: Final answer
    x = 1,121,575.87

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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.