Home / 4,485,473.70-6,729,240.87-1,290,626.34

Finding the Fourth Proportional to 4,485,473.70, 6,729,240.87 and 1,290,626.34

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Solution

The fourth proportional to 4,485,473.70, 6,729,240.87 and 1,290,626.34 is: 1,936,235.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,485,473.70 : 6,729,240.87 = 1,290,626.34 : x
  2. Step 2: Convert to fraction form
    4,485,473.70/6,729,240.87 = 1,290,626.34/x
  3. Step 3: Cross multiply
    4,485,473.70x = 6,729,240.87 × 1,290,626.34
  4. Step 4: Simplify right side
    4,485,473.70x = 8,684,935,515,026.52
  5. Step 5: Solve for x
    x = 8,684,935,515,026.52/4,485,473.70
  6. Step 6: Final answer
    x = 1,936,235.97

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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.