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Finding the Fourth Proportional to 3,583,998.98, 4,945,916.40 and 1,974,366.98

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Solution

The fourth proportional to 3,583,998.98, 4,945,916.40 and 1,974,366.98 is: 2,724,625.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,583,998.98 : 4,945,916.40 = 1,974,366.98 : x
  2. Step 2: Convert to fraction form
    3,583,998.98/4,945,916.40 = 1,974,366.98/x
  3. Step 3: Cross multiply
    3,583,998.98x = 4,945,916.40 × 1,974,366.98
  4. Step 4: Simplify right side
    3,583,998.98x = 9,765,054,026,000.47
  5. Step 5: Solve for x
    x = 9,765,054,026,000.47/3,583,998.98
  6. Step 6: Final answer
    x = 2,724,625.22

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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.