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Finding the Fourth Proportional to 2,738,041.60, 4,107,645.60 and 844,974.40

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Solution

The fourth proportional to 2,738,041.60, 4,107,645.60 and 844,974.40 is: 1,267,641.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,738,041.60 : 4,107,645.60 = 844,974.40 : x
  2. Step 2: Convert to fraction form
    2,738,041.60/4,107,645.60 = 844,974.40/x
  3. Step 3: Cross multiply
    2,738,041.60x = 4,107,645.60 × 844,974.40
  4. Step 4: Simplify right side
    2,738,041.60x = 3,470,855,376,272.64
  5. Step 5: Solve for x
    x = 3,470,855,376,272.64/2,738,041.60
  6. Step 6: Final answer
    x = 1,267,641.58

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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.