Home / 2,256,459.78-3,113,896.03-1,223,964.97

Finding the Fourth Proportional to 2,256,459.78, 3,113,896.03 and 1,223,964.97

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Solution

The fourth proportional to 2,256,459.78, 3,113,896.03 and 1,223,964.97 is: 1,689,061.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,256,459.78 : 3,113,896.03 = 1,223,964.97 : x
  2. Step 2: Convert to fraction form
    2,256,459.78/3,113,896.03 = 1,223,964.97/x
  3. Step 3: Cross multiply
    2,256,459.78x = 3,113,896.03 × 1,223,964.97
  4. Step 4: Simplify right side
    2,256,459.78x = 3,811,299,660,942.07
  5. Step 5: Solve for x
    x = 3,811,299,660,942.07/2,256,459.78
  6. Step 6: Final answer
    x = 1,689,061.64

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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.