Home / 3,231,074.20-4,458,700.47-1,780,765.18

Finding the Fourth Proportional to 3,231,074.20, 4,458,700.47 and 1,780,765.18

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Solution

The fourth proportional to 3,231,074.20, 4,458,700.47 and 1,780,765.18 is: 2,457,355.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231,074.20 : 4,458,700.47 = 1,780,765.18 : x
  2. Step 2: Convert to fraction form
    3,231,074.20/4,458,700.47 = 1,780,765.18/x
  3. Step 3: Cross multiply
    3,231,074.20x = 4,458,700.47 × 1,780,765.18
  4. Step 4: Simplify right side
    3,231,074.20x = 7,939,898,545,025.63
  5. Step 5: Solve for x
    x = 7,939,898,545,025.63/3,231,074.20
  6. Step 6: Final answer
    x = 2,457,355.68

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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.