Home / 3,086,538-4,259,424.60-1,728,442.32

Finding the Fourth Proportional to 3,086,538, 4,259,424.60 and 1,728,442.32

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Solution

The fourth proportional to 3,086,538, 4,259,424.60 and 1,728,442.32 is: 2,385,251.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086,538 : 4,259,424.60 = 1,728,442.32 : x
  2. Step 2: Convert to fraction form
    3,086,538/4,259,424.60 = 1,728,442.32/x
  3. Step 3: Cross multiply
    3,086,538x = 4,259,424.60 × 1,728,442.32
  4. Step 4: Simplify right side
    3,086,538x = 7,362,169,737,489.07
  5. Step 5: Solve for x
    x = 7,362,169,737,489.07/3,086,538
  6. Step 6: Final answer
    x = 2,385,251.61

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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.