Home / 5,337,402.60-8,000,855.10-2,642,143.80

Finding the Fourth Proportional to 5,337,402.60, 8,000,855.10 and 2,642,143.80

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Solution

The fourth proportional to 5,337,402.60, 8,000,855.10 and 2,642,143.80 is: 3,960,617.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,337,402.60 : 8,000,855.10 = 2,642,143.80 : x
  2. Step 2: Convert to fraction form
    5,337,402.60/8,000,855.10 = 2,642,143.80/x
  3. Step 3: Cross multiply
    5,337,402.60x = 8,000,855.10 × 2,642,143.80
  4. Step 4: Simplify right side
    5,337,402.60x = 21,139,409,697,163.38
  5. Step 5: Solve for x
    x = 21,139,409,697,163.38/5,337,402.60
  6. Step 6: Final answer
    x = 3,960,617.42

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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.