Home / 3,394,992.72-4,684,267.62-2,154,151.56

Finding the Fourth Proportional to 3,394,992.72, 4,684,267.62 and 2,154,151.56

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Solution

The fourth proportional to 3,394,992.72, 4,684,267.62 and 2,154,151.56 is: 2,972,207.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,394,992.72 : 4,684,267.62 = 2,154,151.56 : x
  2. Step 2: Convert to fraction form
    3,394,992.72/4,684,267.62 = 2,154,151.56/x
  3. Step 3: Cross multiply
    3,394,992.72x = 4,684,267.62 × 2,154,151.56
  4. Step 4: Simplify right side
    3,394,992.72x = 10,090,622,401,080.49
  5. Step 5: Solve for x
    x = 10,090,622,401,080.49/3,394,992.72
  6. Step 6: Final answer
    x = 2,972,207.38

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Double scale
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1.5x scale

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.