Home / 3,811,630.93-5,259,364.50-2,157,766.90

Finding the Fourth Proportional to 3,811,630.93, 5,259,364.50 and 2,157,766.90

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Solution

The fourth proportional to 3,811,630.93, 5,259,364.50 and 2,157,766.90 is: 2,977,329.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,811,630.93 : 5,259,364.50 = 2,157,766.90 : x
  2. Step 2: Convert to fraction form
    3,811,630.93/5,259,364.50 = 2,157,766.90/x
  3. Step 3: Cross multiply
    3,811,630.93x = 5,259,364.50 × 2,157,766.90
  4. Step 4: Simplify right side
    3,811,630.93x = 11,348,482,633,135.05
  5. Step 5: Solve for x
    x = 11,348,482,633,135.05/3,811,630.93
  6. Step 6: Final answer
    x = 2,977,329.87

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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.