Home / 2,631,301.78-3,631,300.78-1,485,421.78

Finding the Fourth Proportional to 2,631,301.78, 3,631,300.78 and 1,485,421.78

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Solution

The fourth proportional to 2,631,301.78, 3,631,300.78 and 1,485,421.78 is: 2,049,940.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631,301.78 : 3,631,300.78 = 1,485,421.78 : x
  2. Step 2: Convert to fraction form
    2,631,301.78/3,631,300.78 = 1,485,421.78/x
  3. Step 3: Cross multiply
    2,631,301.78x = 3,631,300.78 × 1,485,421.78
  4. Step 4: Simplify right side
    2,631,301.78x = 5,394,013,268,342.99
  5. Step 5: Solve for x
    x = 5,394,013,268,342.99/2,631,301.78
  6. Step 6: Final answer
    x = 2,049,940.95

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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.