Home / 3,722,720.32-5,583,415.16-990,282.56

Finding the Fourth Proportional to 3,722,720.32, 5,583,415.16 and 990,282.56

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Solution

The fourth proportional to 3,722,720.32, 5,583,415.16 and 990,282.56 is: 1,485,246.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722,720.32 : 5,583,415.16 = 990,282.56 : x
  2. Step 2: Convert to fraction form
    3,722,720.32/5,583,415.16 = 990,282.56/x
  3. Step 3: Cross multiply
    3,722,720.32x = 5,583,415.16 × 990,282.56
  4. Step 4: Simplify right side
    3,722,720.32x = 5,529,158,658,187.61
  5. Step 5: Solve for x
    x = 5,529,158,658,187.61/3,722,720.32
  6. Step 6: Final answer
    x = 1,485,246.86

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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.