Home / 3,231,290.22-4,459,158.16-1,780,986.43

Finding the Fourth Proportional to 3,231,290.22, 4,459,158.16 and 1,780,986.43

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Solution

The fourth proportional to 3,231,290.22, 4,459,158.16 and 1,780,986.43 is: 2,457,748.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231,290.22 : 4,459,158.16 = 1,780,986.43 : x
  2. Step 2: Convert to fraction form
    3,231,290.22/4,459,158.16 = 1,780,986.43/x
  3. Step 3: Cross multiply
    3,231,290.22x = 4,459,158.16 × 1,780,986.43
  4. Step 4: Simplify right side
    3,231,290.22x = 7,941,700,172,183.77
  5. Step 5: Solve for x
    x = 7,941,700,172,183.77/3,231,290.22
  6. Step 6: Final answer
    x = 2,457,748.96

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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.