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Finding the Fourth Proportional to 3,679,431, 5,077,692.54 and 2,069,799

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Solution

The fourth proportional to 3,679,431, 5,077,692.54 and 2,069,799 is: 2,856,366.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679,431 : 5,077,692.54 = 2,069,799 : x
  2. Step 2: Convert to fraction form
    3,679,431/5,077,692.54 = 2,069,799/x
  3. Step 3: Cross multiply
    3,679,431x = 5,077,692.54 × 2,069,799
  4. Step 4: Simplify right side
    3,679,431x = 10,509,802,941,599.46
  5. Step 5: Solve for x
    x = 10,509,802,941,599.46/3,679,431
  6. Step 6: Final answer
    x = 2,856,366.36

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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.