Home / 2,161,812.12-3,241,616.48-721,977.59

Finding the Fourth Proportional to 2,161,812.12, 3,241,616.48 and 721,977.59

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Solution

The fourth proportional to 2,161,812.12, 3,241,616.48 and 721,977.59 is: 1,082,598.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161,812.12 : 3,241,616.48 = 721,977.59 : x
  2. Step 2: Convert to fraction form
    2,161,812.12/3,241,616.48 = 721,977.59/x
  3. Step 3: Cross multiply
    2,161,812.12x = 3,241,616.48 × 721,977.59
  4. Step 4: Simplify right side
    2,161,812.12x = 2,340,374,434,116.71
  5. Step 5: Solve for x
    x = 2,340,374,434,116.71/2,161,812.12
  6. Step 6: Final answer
    x = 1,082,598.44

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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.