Home / 6,628,989.84-9,943,905.03-2,080,218.17

Finding the Fourth Proportional to 6,628,989.84, 9,943,905.03 and 2,080,218.17

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Solution

The fourth proportional to 6,628,989.84, 9,943,905.03 and 2,080,218.17 is: 3,120,459.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,628,989.84 : 9,943,905.03 = 2,080,218.17 : x
  2. Step 2: Convert to fraction form
    6,628,989.84/9,943,905.03 = 2,080,218.17/x
  3. Step 3: Cross multiply
    6,628,989.84x = 9,943,905.03 × 2,080,218.17
  4. Step 4: Simplify right side
    6,628,989.84x = 20,685,491,874,440.87
  5. Step 5: Solve for x
    x = 20,685,491,874,440.87/6,628,989.84
  6. Step 6: Final answer
    x = 3,120,459.13

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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.