Home / 2,071,619.78-2,858,978.96-1,255,857.84

Finding the Fourth Proportional to 2,071,619.78, 2,858,978.96 and 1,255,857.84

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Solution

The fourth proportional to 2,071,619.78, 2,858,978.96 and 1,255,857.84 is: 1,733,170.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,071,619.78 : 2,858,978.96 = 1,255,857.84 : x
  2. Step 2: Convert to fraction form
    2,071,619.78/2,858,978.96 = 1,255,857.84/x
  3. Step 3: Cross multiply
    2,071,619.78x = 2,858,978.96 × 1,255,857.84
  4. Step 4: Simplify right side
    2,071,619.78x = 3,590,471,135,031.76
  5. Step 5: Solve for x
    x = 3,590,471,135,031.76/2,071,619.78
  6. Step 6: Final answer
    x = 1,733,170.91

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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.