Home / 3,100,346.20-4,650,665.10-970,499.80

Finding the Fourth Proportional to 3,100,346.20, 4,650,665.10 and 970,499.80

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Solution

The fourth proportional to 3,100,346.20, 4,650,665.10 and 970,499.80 is: 1,455,795.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100,346.20 : 4,650,665.10 = 970,499.80 : x
  2. Step 2: Convert to fraction form
    3,100,346.20/4,650,665.10 = 970,499.80/x
  3. Step 3: Cross multiply
    3,100,346.20x = 4,650,665.10 × 970,499.80
  4. Step 4: Simplify right side
    3,100,346.20x = 4,513,469,549,416.98
  5. Step 5: Solve for x
    x = 4,513,469,549,416.98/3,100,346.20
  6. Step 6: Final answer
    x = 1,455,795.34

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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.