Home / 5,630,505.40-7,770,107.82-3,052,178.20

Finding the Fourth Proportional to 5,630,505.40, 7,770,107.82 and 3,052,178.20

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Solution

The fourth proportional to 5,630,505.40, 7,770,107.82 and 3,052,178.20 is: 4,212,011.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,630,505.40 : 7,770,107.82 = 3,052,178.20 : x
  2. Step 2: Convert to fraction form
    5,630,505.40/7,770,107.82 = 3,052,178.20/x
  3. Step 3: Cross multiply
    5,630,505.40x = 7,770,107.82 × 3,052,178.20
  4. Step 4: Simplify right side
    5,630,505.40x = 23,715,753,699,853.53
  5. Step 5: Solve for x
    x = 23,715,753,699,853.53/5,630,505.40
  6. Step 6: Final answer
    x = 4,212,011.54

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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.