Home / 3,120,793.56-4,305,478.62-1,958,561.60

Finding the Fourth Proportional to 3,120,793.56, 4,305,478.62 and 1,958,561.60

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Solution

The fourth proportional to 3,120,793.56, 4,305,478.62 and 1,958,561.60 is: 2,702,051.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,793.56 : 4,305,478.62 = 1,958,561.60 : x
  2. Step 2: Convert to fraction form
    3,120,793.56/4,305,478.62 = 1,958,561.60/x
  3. Step 3: Cross multiply
    3,120,793.56x = 4,305,478.62 × 1,958,561.60
  4. Step 4: Simplify right side
    3,120,793.56x = 8,432,545,094,752.99
  5. Step 5: Solve for x
    x = 8,432,545,094,752.99/3,120,793.56
  6. Step 6: Final answer
    x = 2,702,051.56

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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.