Home / 3,208,111.36-4,427,122.08-1,812,542.56

Finding the Fourth Proportional to 3,208,111.36, 4,427,122.08 and 1,812,542.56

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Solution

The fourth proportional to 3,208,111.36, 4,427,122.08 and 1,812,542.56 is: 2,501,268.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208,111.36 : 4,427,122.08 = 1,812,542.56 : x
  2. Step 2: Convert to fraction form
    3,208,111.36/4,427,122.08 = 1,812,542.56/x
  3. Step 3: Cross multiply
    3,208,111.36x = 4,427,122.08 × 1,812,542.56
  4. Step 4: Simplify right side
    3,208,111.36x = 8,024,347,188,315.73
  5. Step 5: Solve for x
    x = 8,024,347,188,315.73/3,208,111.36
  6. Step 6: Final answer
    x = 2,501,268.28

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1.5x scale

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.