Home / 4,086,886.78-5,640,078.72-2,276,050.78

Finding the Fourth Proportional to 4,086,886.78, 5,640,078.72 and 2,276,050.78

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Solution

The fourth proportional to 4,086,886.78, 5,640,078.72 and 2,276,050.78 is: 3,141,047.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086,886.78 : 5,640,078.72 = 2,276,050.78 : x
  2. Step 2: Convert to fraction form
    4,086,886.78/5,640,078.72 = 2,276,050.78/x
  3. Step 3: Cross multiply
    4,086,886.78x = 5,640,078.72 × 2,276,050.78
  4. Step 4: Simplify right side
    4,086,886.78x = 12,837,105,585,502.69
  5. Step 5: Solve for x
    x = 12,837,105,585,502.69/4,086,886.78
  6. Step 6: Final answer
    x = 3,141,047.52

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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.