Home / 5,615,172.20-8,418,611.10-2,247,645.80

Finding the Fourth Proportional to 5,615,172.20, 8,418,611.10 and 2,247,645.80

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Solution

The fourth proportional to 5,615,172.20, 8,418,611.10 and 2,247,645.80 is: 3,369,808.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,615,172.20 : 8,418,611.10 = 2,247,645.80 : x
  2. Step 2: Convert to fraction form
    5,615,172.20/8,418,611.10 = 2,247,645.80/x
  3. Step 3: Cross multiply
    5,615,172.20x = 8,418,611.10 × 2,247,645.80
  4. Step 4: Simplify right side
    5,615,172.20x = 18,922,055,880,748.38
  5. Step 5: Solve for x
    x = 18,922,055,880,748.38/5,615,172.20
  6. Step 6: Final answer
    x = 3,369,808.66

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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.