Home / 2,256,782.92-3,114,571.36-1,289,724.34

Finding the Fourth Proportional to 2,256,782.92, 3,114,571.36 and 1,289,724.34

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Solution

The fourth proportional to 2,256,782.92, 3,114,571.36 and 1,289,724.34 is: 1,779,940.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,256,782.92 : 3,114,571.36 = 1,289,724.34 : x
  2. Step 2: Convert to fraction form
    2,256,782.92/3,114,571.36 = 1,289,724.34/x
  3. Step 3: Cross multiply
    2,256,782.92x = 3,114,571.36 × 1,289,724.34
  4. Step 4: Simplify right side
    2,256,782.92x = 4,016,938,491,658.90
  5. Step 5: Solve for x
    x = 4,016,938,491,658.90/2,256,782.92
  6. Step 6: Final answer
    x = 1,779,940.13

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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.