Home / 2,190,680.19-3,286,393.94-976,697.33

Finding the Fourth Proportional to 2,190,680.19, 3,286,393.94 and 976,697.33

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Solution

The fourth proportional to 2,190,680.19, 3,286,393.94 and 976,697.33 is: 1,465,212.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,680.19 : 3,286,393.94 = 976,697.33 : x
  2. Step 2: Convert to fraction form
    2,190,680.19/3,286,393.94 = 976,697.33/x
  3. Step 3: Cross multiply
    2,190,680.19x = 3,286,393.94 × 976,697.33
  4. Step 4: Simplify right side
    2,190,680.19x = 3,209,812,172,535.95
  5. Step 5: Solve for x
    x = 3,209,812,172,535.95/2,190,680.19
  6. Step 6: Final answer
    x = 1,465,212.58

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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.