Home / 1,812,668.89-2,501,433.12-996,872.56

Finding the Fourth Proportional to 1,812,668.89, 2,501,433.12 and 996,872.56

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Solution

The fourth proportional to 1,812,668.89, 2,501,433.12 and 996,872.56 is: 1,375,656.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,668.89 : 2,501,433.12 = 996,872.56 : x
  2. Step 2: Convert to fraction form
    1,812,668.89/2,501,433.12 = 996,872.56/x
  3. Step 3: Cross multiply
    1,812,668.89x = 2,501,433.12 × 996,872.56
  4. Step 4: Simplify right side
    1,812,668.89x = 2,493,610,028,011.33
  5. Step 5: Solve for x
    x = 2,493,610,028,011.33/1,812,668.89
  6. Step 6: Final answer
    x = 1,375,656.66

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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.