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Finding the Fourth Proportional to 1,848,920.40, 2,767,937.40 and 1,377,694.80

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Solution

The fourth proportional to 1,848,920.40, 2,767,937.40 and 1,377,694.80 is: 2,062,486.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848,920.40 : 2,767,937.40 = 1,377,694.80 : x
  2. Step 2: Convert to fraction form
    1,848,920.40/2,767,937.40 = 1,377,694.80/x
  3. Step 3: Cross multiply
    1,848,920.40x = 2,767,937.40 × 1,377,694.80
  4. Step 4: Simplify right side
    1,848,920.40x = 3,813,372,962,705.52
  5. Step 5: Solve for x
    x = 3,813,372,962,705.52/1,848,920.40
  6. Step 6: Final answer
    x = 2,062,486.28

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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.