Home / 4,485,479.34-6,729,249.30-1,290,631.98

Finding the Fourth Proportional to 4,485,479.34, 6,729,249.30 and 1,290,631.98

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Solution

The fourth proportional to 4,485,479.34, 6,729,249.30 and 1,290,631.98 is: 1,936,244.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,485,479.34 : 6,729,249.30 = 1,290,631.98 : x
  2. Step 2: Convert to fraction form
    4,485,479.34/6,729,249.30 = 1,290,631.98/x
  3. Step 3: Cross multiply
    4,485,479.34x = 6,729,249.30 × 1,290,631.98
  4. Step 4: Simplify right side
    4,485,479.34x = 8,684,984,347,972.61
  5. Step 5: Solve for x
    x = 8,684,984,347,972.61/4,485,479.34
  6. Step 6: Final answer
    x = 1,936,244.42

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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.