Home / 2,141,468.66-3,212,574.78-721,537.04

Finding the Fourth Proportional to 2,141,468.66, 3,212,574.78 and 721,537.04

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Solution

The fourth proportional to 2,141,468.66, 3,212,574.78 and 721,537.04 is: 1,082,430.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,141,468.66 : 3,212,574.78 = 721,537.04 : x
  2. Step 2: Convert to fraction form
    2,141,468.66/3,212,574.78 = 721,537.04/x
  3. Step 3: Cross multiply
    2,141,468.66x = 3,212,574.78 × 721,537.04
  4. Step 4: Simplify right side
    2,141,468.66x = 2,317,991,697,539.85
  5. Step 5: Solve for x
    x = 2,317,991,697,539.85/2,141,468.66
  6. Step 6: Final answer
    x = 1,082,430.83

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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.