Home / 6,605,149.80-9,907,724.70-2,117,879.40

Finding the Fourth Proportional to 6,605,149.80, 9,907,724.70 and 2,117,879.40

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Solution

The fourth proportional to 6,605,149.80, 9,907,724.70 and 2,117,879.40 is: 3,176,819.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,605,149.80 : 9,907,724.70 = 2,117,879.40 : x
  2. Step 2: Convert to fraction form
    6,605,149.80/9,907,724.70 = 2,117,879.40/x
  3. Step 3: Cross multiply
    6,605,149.80x = 9,907,724.70 × 2,117,879.40
  4. Step 4: Simplify right side
    6,605,149.80x = 20,983,366,043,001.18
  5. Step 5: Solve for x
    x = 20,983,366,043,001.18/6,605,149.80
  6. Step 6: Final answer
    x = 3,176,819.10

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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.