Home / 2,190,674.20-3,286,384.97-976,691.33

Finding the Fourth Proportional to 2,190,674.20, 3,286,384.97 and 976,691.33

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Solution

The fourth proportional to 2,190,674.20, 3,286,384.97 and 976,691.33 is: 1,465,203.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,674.20 : 3,286,384.97 = 976,691.33 : x
  2. Step 2: Convert to fraction form
    2,190,674.20/3,286,384.97 = 976,691.33/x
  3. Step 3: Cross multiply
    2,190,674.20x = 3,286,384.97 × 976,691.33
  4. Step 4: Simplify right side
    2,190,674.20x = 3,209,783,685,925.93
  5. Step 5: Solve for x
    x = 3,209,783,685,925.93/2,190,674.20
  6. Step 6: Final answer
    x = 1,465,203.58

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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.