Home / 5,318,344.85-7,980,008.63-2,621,199.76

Finding the Fourth Proportional to 5,318,344.85, 7,980,008.63 and 2,621,199.76

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Solution

The fourth proportional to 5,318,344.85, 7,980,008.63 and 2,621,199.76 is: 3,933,027.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318,344.85 : 7,980,008.63 = 2,621,199.76 : x
  2. Step 2: Convert to fraction form
    5,318,344.85/7,980,008.63 = 2,621,199.76/x
  3. Step 3: Cross multiply
    5,318,344.85x = 7,980,008.63 × 2,621,199.76
  4. Step 4: Simplify right side
    5,318,344.85x = 20,917,196,672,697.91
  5. Step 5: Solve for x
    x = 20,917,196,672,697.91/5,318,344.85
  6. Step 6: Final answer
    x = 3,933,027.53

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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.