Home / 3,414,477.78-5,120,200.35-1,816,704.18

Finding the Fourth Proportional to 3,414,477.78, 5,120,200.35 and 1,816,704.18

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Solution

The fourth proportional to 3,414,477.78, 5,120,200.35 and 1,816,704.18 is: 2,724,249.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414,477.78 : 5,120,200.35 = 1,816,704.18 : x
  2. Step 2: Convert to fraction form
    3,414,477.78/5,120,200.35 = 1,816,704.18/x
  3. Step 3: Cross multiply
    3,414,477.78x = 5,120,200.35 × 1,816,704.18
  4. Step 4: Simplify right side
    3,414,477.78x = 9,301,889,378,282.46
  5. Step 5: Solve for x
    x = 9,301,889,378,282.46/3,414,477.78
  6. Step 6: Final answer
    x = 2,724,249.50

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1.5x scale

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.