Home / 2,190,680.57-3,286,394.51-976,697.70

Finding the Fourth Proportional to 2,190,680.57, 3,286,394.51 and 976,697.70

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Solution

The fourth proportional to 2,190,680.57, 3,286,394.51 and 976,697.70 is: 1,465,213.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,680.57 : 3,286,394.51 = 976,697.70 : x
  2. Step 2: Convert to fraction form
    2,190,680.57/3,286,394.51 = 976,697.70/x
  3. Step 3: Cross multiply
    2,190,680.57x = 3,286,394.51 × 976,697.70
  4. Step 4: Simplify right side
    2,190,680.57x = 3,209,813,954,326.14
  5. Step 5: Solve for x
    x = 3,209,813,954,326.14/2,190,680.57
  6. Step 6: Final answer
    x = 1,465,213.14

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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.