Home / 2,137,806-2,950,085.88-1,278,840.96

Finding the Fourth Proportional to 2,137,806, 2,950,085.88 and 1,278,840.96

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Solution

The fourth proportional to 2,137,806, 2,950,085.88 and 1,278,840.96 is: 1,764,748.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137,806 : 2,950,085.88 = 1,278,840.96 : x
  2. Step 2: Convert to fraction form
    2,137,806/2,950,085.88 = 1,278,840.96/x
  3. Step 3: Cross multiply
    2,137,806x = 2,950,085.88 × 1,278,840.96
  4. Step 4: Simplify right side
    2,137,806x = 3,772,690,658,861.64
  5. Step 5: Solve for x
    x = 3,772,690,658,861.64/2,137,806
  6. Step 6: Final answer
    x = 1,764,748.84

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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.