Home / 3,186,078.40-4,771,244.40-2,115,323.20

Finding the Fourth Proportional to 3,186,078.40, 4,771,244.40 and 2,115,323.20

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Solution

The fourth proportional to 3,186,078.40, 4,771,244.40 and 2,115,323.20 is: 3,167,757.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186,078.40 : 4,771,244.40 = 2,115,323.20 : x
  2. Step 2: Convert to fraction form
    3,186,078.40/4,771,244.40 = 2,115,323.20/x
  3. Step 3: Cross multiply
    3,186,078.40x = 4,771,244.40 × 2,115,323.20
  4. Step 4: Simplify right side
    3,186,078.40x = 10,092,723,972,190.08
  5. Step 5: Solve for x
    x = 10,092,723,972,190.08/3,186,078.40
  6. Step 6: Final answer
    x = 3,167,757.57

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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.