Home / 6,628,994.32-9,943,911.72-2,080,222.61

Finding the Fourth Proportional to 6,628,994.32, 9,943,911.72 and 2,080,222.61

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Solution

The fourth proportional to 6,628,994.32, 9,943,911.72 and 2,080,222.61 is: 3,120,465.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,628,994.32 : 9,943,911.72 = 2,080,222.61 : x
  2. Step 2: Convert to fraction form
    6,628,994.32/9,943,911.72 = 2,080,222.61/x
  3. Step 3: Cross multiply
    6,628,994.32x = 9,943,911.72 × 2,080,222.61
  4. Step 4: Simplify right side
    6,628,994.32x = 20,685,549,992,152.31
  5. Step 5: Solve for x
    x = 20,685,549,992,152.31/6,628,994.32
  6. Step 6: Final answer
    x = 3,120,465.79

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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.