Home / 2,520,193.96-3,780,670.11-813,765.34

Finding the Fourth Proportional to 2,520,193.96, 3,780,670.11 and 813,765.34

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Solution

The fourth proportional to 2,520,193.96, 3,780,670.11 and 813,765.34 is: 1,220,770.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,520,193.96 : 3,780,670.11 = 813,765.34 : x
  2. Step 2: Convert to fraction form
    2,520,193.96/3,780,670.11 = 813,765.34/x
  3. Step 3: Cross multiply
    2,520,193.96x = 3,780,670.11 × 813,765.34
  4. Step 4: Simplify right side
    2,520,193.96x = 3,076,578,297,491.99
  5. Step 5: Solve for x
    x = 3,076,578,297,491.99/2,520,193.96
  6. Step 6: Final answer
    x = 1,220,770.44

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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.