Home / 2,812,720.48-3,881,324.12-1,589,132.25

Finding the Fourth Proportional to 2,812,720.48, 3,881,324.12 and 1,589,132.25

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Solution

The fourth proportional to 2,812,720.48, 3,881,324.12 and 1,589,132.25 is: 2,192,872.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812,720.48 : 3,881,324.12 = 1,589,132.25 : x
  2. Step 2: Convert to fraction form
    2,812,720.48/3,881,324.12 = 1,589,132.25/x
  3. Step 3: Cross multiply
    2,812,720.48x = 3,881,324.12 × 1,589,132.25
  4. Step 4: Simplify right side
    2,812,720.48x = 6,167,937,323,849.21
  5. Step 5: Solve for x
    x = 6,167,937,323,849.21/2,812,720.48
  6. Step 6: Final answer
    x = 2,192,872.48

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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.