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Finding the Fourth Proportional to 1,954,521.06, 2,928,538.96 and 1,383,068.90

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Solution

The fourth proportional to 1,954,521.06, 2,928,538.96 and 1,383,068.90 is: 2,072,308.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954,521.06 : 2,928,538.96 = 1,383,068.90 : x
  2. Step 2: Convert to fraction form
    1,954,521.06/2,928,538.96 = 1,383,068.90/x
  3. Step 3: Cross multiply
    1,954,521.06x = 2,928,538.96 × 1,383,068.90
  4. Step 4: Simplify right side
    1,954,521.06x = 4,050,371,158,014.34
  5. Step 5: Solve for x
    x = 4,050,371,158,014.34/1,954,521.06
  6. Step 6: Final answer
    x = 2,072,308.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.