Home / 1,940,754.32-2,678,259.56-1,069,620.61

Finding the Fourth Proportional to 1,940,754.32, 2,678,259.56 and 1,069,620.61

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Solution

The fourth proportional to 1,940,754.32, 2,678,259.56 and 1,069,620.61 is: 1,476,086.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940,754.32 : 2,678,259.56 = 1,069,620.61 : x
  2. Step 2: Convert to fraction form
    1,940,754.32/2,678,259.56 = 1,069,620.61/x
  3. Step 3: Cross multiply
    1,940,754.32x = 2,678,259.56 × 1,069,620.61
  4. Step 4: Simplify right side
    1,940,754.32x = 2,864,721,624,305.53
  5. Step 5: Solve for x
    x = 2,864,721,624,305.53/1,940,754.32
  6. Step 6: Final answer
    x = 1,476,086.69

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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.