Home / 2,117,618.37-3,177,020.48-856,331.73

Finding the Fourth Proportional to 2,117,618.37, 3,177,020.48 and 856,331.73

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Solution

The fourth proportional to 2,117,618.37, 3,177,020.48 and 856,331.73 is: 1,284,737.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117,618.37 : 3,177,020.48 = 856,331.73 : x
  2. Step 2: Convert to fraction form
    2,117,618.37/3,177,020.48 = 856,331.73/x
  3. Step 3: Cross multiply
    2,117,618.37x = 3,177,020.48 × 856,331.73
  4. Step 4: Simplify right side
    2,117,618.37x = 2,720,583,439,602.17
  5. Step 5: Solve for x
    x = 2,720,583,439,602.17/2,117,618.37
  6. Step 6: Final answer
    x = 1,284,737.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.