Home / 3,880,118.45-5,354,162.10-2,389,732.63

Finding the Fourth Proportional to 3,880,118.45, 5,354,162.10 and 2,389,732.63

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Solution

The fourth proportional to 3,880,118.45, 5,354,162.10 and 2,389,732.63 is: 3,297,583.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,880,118.45 : 5,354,162.10 = 2,389,732.63 : x
  2. Step 2: Convert to fraction form
    3,880,118.45/5,354,162.10 = 2,389,732.63/x
  3. Step 3: Cross multiply
    3,880,118.45x = 5,354,162.10 × 2,389,732.63
  4. Step 4: Simplify right side
    3,880,118.45x = 12,795,015,863,293.92
  5. Step 5: Solve for x
    x = 12,795,015,863,293.92/3,880,118.45
  6. Step 6: Final answer
    x = 3,297,583.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.