Home / 3,420,619.06-4,720,132.83-2,315,803.08

Finding the Fourth Proportional to 3,420,619.06, 4,720,132.83 and 2,315,803.08

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Solution

The fourth proportional to 3,420,619.06, 4,720,132.83 and 2,315,803.08 is: 3,195,590.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420,619.06 : 4,720,132.83 = 2,315,803.08 : x
  2. Step 2: Convert to fraction form
    3,420,619.06/4,720,132.83 = 2,315,803.08/x
  3. Step 3: Cross multiply
    3,420,619.06x = 4,720,132.83 × 2,315,803.08
  4. Step 4: Simplify right side
    3,420,619.06x = 10,930,898,145,723.12
  5. Step 5: Solve for x
    x = 10,930,898,145,723.12/3,420,619.06
  6. Step 6: Final answer
    x = 3,195,590.61

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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.