Home / 2,141,734.84-3,212,613.19-721,803.22

Finding the Fourth Proportional to 2,141,734.84, 3,212,613.19 and 721,803.22

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Solution

The fourth proportional to 2,141,734.84, 3,212,613.19 and 721,803.22 is: 1,082,708.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,141,734.84 : 3,212,613.19 = 721,803.22 : x
  2. Step 2: Convert to fraction form
    2,141,734.84/3,212,613.19 = 721,803.22/x
  3. Step 3: Cross multiply
    2,141,734.84x = 3,212,613.19 × 721,803.22
  4. Step 4: Simplify right side
    2,141,734.84x = 2,318,874,545,156.47
  5. Step 5: Solve for x
    x = 2,318,874,545,156.47/2,141,734.84
  6. Step 6: Final answer
    x = 1,082,708.51

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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.