Home / 3,474,842.40-5,215,762.80-1,679,169.60

Finding the Fourth Proportional to 3,474,842.40, 5,215,762.80 and 1,679,169.60

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Solution

The fourth proportional to 3,474,842.40, 5,215,762.80 and 1,679,169.60 is: 2,520,445.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,474,842.40 : 5,215,762.80 = 1,679,169.60 : x
  2. Step 2: Convert to fraction form
    3,474,842.40/5,215,762.80 = 1,679,169.60/x
  3. Step 3: Cross multiply
    3,474,842.40x = 5,215,762.80 × 1,679,169.60
  4. Step 4: Simplify right side
    3,474,842.40x = 8,758,150,334,570.88
  5. Step 5: Solve for x
    x = 8,758,150,334,570.88/3,474,842.40
  6. Step 6: Final answer
    x = 2,520,445.34

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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.