Home / 2,231,121.46-3,078,966.93-1,212,526.42

Finding the Fourth Proportional to 2,231,121.46, 3,078,966.93 and 1,212,526.42

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Solution

The fourth proportional to 2,231,121.46, 3,078,966.93 and 1,212,526.42 is: 1,673,296.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231,121.46 : 3,078,966.93 = 1,212,526.42 : x
  2. Step 2: Convert to fraction form
    2,231,121.46/3,078,966.93 = 1,212,526.42/x
  3. Step 3: Cross multiply
    2,231,121.46x = 3,078,966.93 × 1,212,526.42
  4. Step 4: Simplify right side
    2,231,121.46x = 3,733,328,748,931.29
  5. Step 5: Solve for x
    x = 3,733,328,748,931.29/2,231,121.46
  6. Step 6: Final answer
    x = 1,673,296.96

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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.