Home / 2,754,178.20-4,131,656.10-860,722.20

Finding the Fourth Proportional to 2,754,178.20, 4,131,656.10 and 860,722.20

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Solution

The fourth proportional to 2,754,178.20, 4,131,656.10 and 860,722.20 is: 1,291,204.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,754,178.20 : 4,131,656.10 = 860,722.20 : x
  2. Step 2: Convert to fraction form
    2,754,178.20/4,131,656.10 = 860,722.20/x
  3. Step 3: Cross multiply
    2,754,178.20x = 4,131,656.10 × 860,722.20
  4. Step 4: Simplify right side
    2,754,178.20x = 3,556,208,128,035.42
  5. Step 5: Solve for x
    x = 3,556,208,128,035.42/2,754,178.20
  6. Step 6: Final answer
    x = 1,291,204.81

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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.