Home / 3,415,816.80-5,123,069.10-1,019,739.60

Finding the Fourth Proportional to 3,415,816.80, 5,123,069.10 and 1,019,739.60

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Solution

The fourth proportional to 3,415,816.80, 5,123,069.10 and 1,019,739.60 is: 1,529,413.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,415,816.80 : 5,123,069.10 = 1,019,739.60 : x
  2. Step 2: Convert to fraction form
    3,415,816.80/5,123,069.10 = 1,019,739.60/x
  3. Step 3: Cross multiply
    3,415,816.80x = 5,123,069.10 × 1,019,739.60
  4. Step 4: Simplify right side
    3,415,816.80x = 5,224,196,434,806.36
  5. Step 5: Solve for x
    x = 5,224,196,434,806.36/3,415,816.80
  6. Step 6: Final answer
    x = 1,529,413.53

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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.