Home / 2,881,838.94-3,977,317.89-2,787,203.79

Finding the Fourth Proportional to 2,881,838.94, 3,977,317.89 and 2,787,203.79

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Solution

The fourth proportional to 2,881,838.94, 3,977,317.89 and 2,787,203.79 is: 3,846,708.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,881,838.94 : 3,977,317.89 = 2,787,203.79 : x
  2. Step 2: Convert to fraction form
    2,881,838.94/3,977,317.89 = 2,787,203.79/x
  3. Step 3: Cross multiply
    2,881,838.94x = 3,977,317.89 × 2,787,203.79
  4. Step 4: Simplify right side
    2,881,838.94x = 11,085,595,497,042.80
  5. Step 5: Solve for x
    x = 11,085,595,497,042.80/2,881,838.94
  6. Step 6: Final answer
    x = 3,846,708.90

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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.