Home / 5,461,428.12-8,189,446.50-1,673,997.72

Finding the Fourth Proportional to 5,461,428.12, 8,189,446.50 and 1,673,997.72

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Solution

The fourth proportional to 5,461,428.12, 8,189,446.50 and 1,673,997.72 is: 2,510,170.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,461,428.12 : 8,189,446.50 = 1,673,997.72 : x
  2. Step 2: Convert to fraction form
    5,461,428.12/8,189,446.50 = 1,673,997.72/x
  3. Step 3: Cross multiply
    5,461,428.12x = 8,189,446.50 × 1,673,997.72
  4. Step 4: Simplify right side
    5,461,428.12x = 13,709,114,769,061.98
  5. Step 5: Solve for x
    x = 13,709,114,769,061.98/5,461,428.12
  6. Step 6: Final answer
    x = 2,510,170.32

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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.