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Finding the Fourth Proportional to 3,583,980.06, 4,945,890.34 and 1,974,348.06

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Solution

The fourth proportional to 3,583,980.06, 4,945,890.34 and 1,974,348.06 is: 2,724,599.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,583,980.06 : 4,945,890.34 = 1,974,348.06 : x
  2. Step 2: Convert to fraction form
    3,583,980.06/4,945,890.34 = 1,974,348.06/x
  3. Step 3: Cross multiply
    3,583,980.06x = 4,945,890.34 × 1,974,348.06
  4. Step 4: Simplify right side
    3,583,980.06x = 9,764,908,997,751.74
  5. Step 5: Solve for x
    x = 9,764,908,997,751.74/3,583,980.06
  6. Step 6: Final answer
    x = 2,724,599.14

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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.