Home / 1,892,440.44-2,611,175.78-1,117,678.43

Finding the Fourth Proportional to 1,892,440.44, 2,611,175.78 and 1,117,678.43

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Solution

The fourth proportional to 1,892,440.44, 2,611,175.78 and 1,117,678.43 is: 1,542,164.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,892,440.44 : 2,611,175.78 = 1,117,678.43 : x
  2. Step 2: Convert to fraction form
    1,892,440.44/2,611,175.78 = 1,117,678.43/x
  3. Step 3: Cross multiply
    1,892,440.44x = 2,611,175.78 × 1,117,678.43
  4. Step 4: Simplify right side
    1,892,440.44x = 2,918,454,846,244.43
  5. Step 5: Solve for x
    x = 2,918,454,846,244.43/1,892,440.44
  6. Step 6: Final answer
    x = 1,542,164.70

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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.