Home / 1,983,829.23-2,732,825.12-1,438,362.27

Finding the Fourth Proportional to 1,983,829.23, 2,732,825.12 and 1,438,362.27

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Solution

The fourth proportional to 1,983,829.23, 2,732,825.12 and 1,438,362.27 is: 1,981,416.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983,829.23 : 2,732,825.12 = 1,438,362.27 : x
  2. Step 2: Convert to fraction form
    1,983,829.23/2,732,825.12 = 1,438,362.27/x
  3. Step 3: Cross multiply
    1,983,829.23x = 2,732,825.12 × 1,438,362.27
  4. Step 4: Simplify right side
    1,983,829.23x = 3,930,792,535,924.41
  5. Step 5: Solve for x
    x = 3,930,792,535,924.41/1,983,829.23
  6. Step 6: Final answer
    x = 1,981,416.79

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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.