Home / 5,404,237.62-8,105,082.81-1,990,670.43

Finding the Fourth Proportional to 5,404,237.62, 8,105,082.81 and 1,990,670.43

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Solution

The fourth proportional to 5,404,237.62, 8,105,082.81 and 1,990,670.43 is: 2,985,536.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,404,237.62 : 8,105,082.81 = 1,990,670.43 : x
  2. Step 2: Convert to fraction form
    5,404,237.62/8,105,082.81 = 1,990,670.43/x
  3. Step 3: Cross multiply
    5,404,237.62x = 8,105,082.81 × 1,990,670.43
  4. Step 4: Simplify right side
    5,404,237.62x = 16,134,548,682,568.31
  5. Step 5: Solve for x
    x = 16,134,548,682,568.31/5,404,237.62
  6. Step 6: Final answer
    x = 2,985,536.50

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Double scale
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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.