Home / 3,515,880.21-5,300,172.51-3,281,519.43

Finding the Fourth Proportional to 3,515,880.21, 5,300,172.51 and 3,281,519.43

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Solution

The fourth proportional to 3,515,880.21, 5,300,172.51 and 3,281,519.43 is: 4,946,874.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515,880.21 : 5,300,172.51 = 3,281,519.43 : x
  2. Step 2: Convert to fraction form
    3,515,880.21/5,300,172.51 = 3,281,519.43/x
  3. Step 3: Cross multiply
    3,515,880.21x = 5,300,172.51 × 3,281,519.43
  4. Step 4: Simplify right side
    3,515,880.21x = 17,392,619,059,087.86
  5. Step 5: Solve for x
    x = 17,392,619,059,087.86/3,515,880.21
  6. Step 6: Final answer
    x = 4,946,874.76

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.