Home / 5,441,615.51-8,162,429.36-1,398,136.82

Finding the Fourth Proportional to 5,441,615.51, 8,162,429.36 and 1,398,136.82

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Solution

The fourth proportional to 5,441,615.51, 8,162,429.36 and 1,398,136.82 is: 2,097,206.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,441,615.51 : 8,162,429.36 = 1,398,136.82 : x
  2. Step 2: Convert to fraction form
    5,441,615.51/8,162,429.36 = 1,398,136.82/x
  3. Step 3: Cross multiply
    5,441,615.51x = 8,162,429.36 × 1,398,136.82
  4. Step 4: Simplify right side
    5,441,615.51x = 11,412,192,981,062.21
  5. Step 5: Solve for x
    x = 11,412,192,981,062.21/5,441,615.51
  6. Step 6: Final answer
    x = 2,097,206.79

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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.