Home / 5,347,019.42-7,378,888.50-2,899,629.74

Finding the Fourth Proportional to 5,347,019.42, 7,378,888.50 and 2,899,629.74

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Solution

The fourth proportional to 5,347,019.42, 7,378,888.50 and 2,899,629.74 is: 4,001,489.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,347,019.42 : 7,378,888.50 = 2,899,629.74 : x
  2. Step 2: Convert to fraction form
    5,347,019.42/7,378,888.50 = 2,899,629.74/x
  3. Step 3: Cross multiply
    5,347,019.42x = 7,378,888.50 × 2,899,629.74
  4. Step 4: Simplify right side
    5,347,019.42x = 21,396,044,542,743.99
  5. Step 5: Solve for x
    x = 21,396,044,542,743.99/5,347,019.42
  6. Step 6: Final answer
    x = 4,001,489.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.