Home / 3,474,594.80-5,211,892.20-1,678,857.20

Finding the Fourth Proportional to 3,474,594.80, 5,211,892.20 and 1,678,857.20

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Solution

The fourth proportional to 3,474,594.80, 5,211,892.20 and 1,678,857.20 is: 2,518,285.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,474,594.80 : 5,211,892.20 = 1,678,857.20 : x
  2. Step 2: Convert to fraction form
    3,474,594.80/5,211,892.20 = 1,678,857.20/x
  3. Step 3: Cross multiply
    3,474,594.80x = 5,211,892.20 × 1,678,857.20
  4. Step 4: Simplify right side
    3,474,594.80x = 8,750,022,745,593.84
  5. Step 5: Solve for x
    x = 8,750,022,745,593.84/3,474,594.80
  6. Step 6: Final answer
    x = 2,518,285.80

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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.