Home / 6,420,245.80-9,631,794.30-2,160,293.80

Finding the Fourth Proportional to 6,420,245.80, 9,631,794.30 and 2,160,293.80

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Solution

The fourth proportional to 6,420,245.80, 9,631,794.30 and 2,160,293.80 is: 3,240,920.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,420,245.80 : 9,631,794.30 = 2,160,293.80 : x
  2. Step 2: Convert to fraction form
    6,420,245.80/9,631,794.30 = 2,160,293.80/x
  3. Step 3: Cross multiply
    6,420,245.80x = 9,631,794.30 × 2,160,293.80
  4. Step 4: Simplify right side
    6,420,245.80x = 20,807,505,509,165.34
  5. Step 5: Solve for x
    x = 20,807,505,509,165.34/6,420,245.80
  6. Step 6: Final answer
    x = 3,240,920.39

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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.