Home / 1,940,753.32-2,678,258.18-1,069,619.61

Finding the Fourth Proportional to 1,940,753.32, 2,678,258.18 and 1,069,619.61

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Solution

The fourth proportional to 1,940,753.32, 2,678,258.18 and 1,069,619.61 is: 1,476,085.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940,753.32 : 2,678,258.18 = 1,069,619.61 : x
  2. Step 2: Convert to fraction form
    1,940,753.32/2,678,258.18 = 1,069,619.61/x
  3. Step 3: Cross multiply
    1,940,753.32x = 2,678,258.18 × 1,069,619.61
  4. Step 4: Simplify right side
    1,940,753.32x = 2,864,717,482,688.43
  5. Step 5: Solve for x
    x = 2,864,717,482,688.43/1,940,753.32
  6. Step 6: Final answer
    x = 1,476,085.32

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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.