Home / 3,420,464.22-4,720,178.34-1,892,571.30

Finding the Fourth Proportional to 3,420,464.22, 4,720,178.34 and 1,892,571.30

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Solution

The fourth proportional to 3,420,464.22, 4,720,178.34 and 1,892,571.30 is: 2,611,713.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420,464.22 : 4,720,178.34 = 1,892,571.30 : x
  2. Step 2: Convert to fraction form
    3,420,464.22/4,720,178.34 = 1,892,571.30/x
  3. Step 3: Cross multiply
    3,420,464.22x = 4,720,178.34 × 1,892,571.30
  4. Step 4: Simplify right side
    3,420,464.22x = 8,933,274,057,165.64
  5. Step 5: Solve for x
    x = 8,933,274,057,165.64/3,420,464.22
  6. Step 6: Final answer
    x = 2,611,713.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.