Home / 4,738,489.28-7,107,728.40-1,543,610.32

Finding the Fourth Proportional to 4,738,489.28, 7,107,728.40 and 1,543,610.32

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Solution

The fourth proportional to 4,738,489.28, 7,107,728.40 and 1,543,610.32 is: 2,315,413.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,738,489.28 : 7,107,728.40 = 1,543,610.32 : x
  2. Step 2: Convert to fraction form
    4,738,489.28/7,107,728.40 = 1,543,610.32/x
  3. Step 3: Cross multiply
    4,738,489.28x = 7,107,728.40 × 1,543,610.32
  4. Step 4: Simplify right side
    4,738,489.28x = 10,971,562,909,997.09
  5. Step 5: Solve for x
    x = 10,971,562,909,997.09/4,738,489.28
  6. Step 6: Final answer
    x = 2,315,413.68

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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.