Home / 5,082,012.60-7,621,400.43-1,669,507.08

Finding the Fourth Proportional to 5,082,012.60, 7,621,400.43 and 1,669,507.08

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Solution

The fourth proportional to 5,082,012.60, 7,621,400.43 and 1,669,507.08 is: 2,503,728.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,082,012.60 : 7,621,400.43 = 1,669,507.08 : x
  2. Step 2: Convert to fraction form
    5,082,012.60/7,621,400.43 = 1,669,507.08/x
  3. Step 3: Cross multiply
    5,082,012.60x = 7,621,400.43 × 1,669,507.08
  4. Step 4: Simplify right side
    5,082,012.60x = 12,723,981,977,400.04
  5. Step 5: Solve for x
    x = 12,723,981,977,400.04/5,082,012.60
  6. Step 6: Final answer
    x = 2,503,728.93

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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.