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Finding the Fourth Proportional to 3,919,978.08, 5,880,710.16 and 1,361,093.04

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Solution

The fourth proportional to 3,919,978.08, 5,880,710.16 and 1,361,093.04 is: 2,041,897.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919,978.08 : 5,880,710.16 = 1,361,093.04 : x
  2. Step 2: Convert to fraction form
    3,919,978.08/5,880,710.16 = 1,361,093.04/x
  3. Step 3: Cross multiply
    3,919,978.08x = 5,880,710.16 × 1,361,093.04
  4. Step 4: Simplify right side
    3,919,978.08x = 8,004,193,669,033.29
  5. Step 5: Solve for x
    x = 8,004,193,669,033.29/3,919,978.08
  6. Step 6: Final answer
    x = 2,041,897.56

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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.