Home / 1,886,971.40-2,827,838.46-859,791.38

Finding the Fourth Proportional to 1,886,971.40, 2,827,838.46 and 859,791.38

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Solution

The fourth proportional to 1,886,971.40, 2,827,838.46 and 859,791.38 is: 1,288,493.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,886,971.40 : 2,827,838.46 = 859,791.38 : x
  2. Step 2: Convert to fraction form
    1,886,971.40/2,827,838.46 = 859,791.38/x
  3. Step 3: Cross multiply
    1,886,971.40x = 2,827,838.46 × 859,791.38
  4. Step 4: Simplify right side
    1,886,971.40x = 2,431,351,131,940.47
  5. Step 5: Solve for x
    x = 2,431,351,131,940.47/1,886,971.40
  6. Step 6: Final answer
    x = 1,288,493.90

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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.