Home / 5,412,477.70-8,118,912.57-1,818,361.90

Finding the Fourth Proportional to 5,412,477.70, 8,118,912.57 and 1,818,361.90

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Solution

The fourth proportional to 5,412,477.70, 8,118,912.57 and 1,818,361.90 is: 2,727,608.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,412,477.70 : 8,118,912.57 = 1,818,361.90 : x
  2. Step 2: Convert to fraction form
    5,412,477.70/8,118,912.57 = 1,818,361.90/x
  3. Step 3: Cross multiply
    5,412,477.70x = 8,118,912.57 × 1,818,361.90
  4. Step 4: Simplify right side
    5,412,477.70x = 14,763,121,286,719.08
  5. Step 5: Solve for x
    x = 14,763,121,286,719.08/5,412,477.70
  6. Step 6: Final answer
    x = 2,727,608.70

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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.