Home / 1,632,021.70-2,448,032.55-1,521,429.70

Finding the Fourth Proportional to 1,632,021.70, 2,448,032.55 and 1,521,429.70

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Solution

The fourth proportional to 1,632,021.70, 2,448,032.55 and 1,521,429.70 is: 2,282,144.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,632,021.70 : 2,448,032.55 = 1,521,429.70 : x
  2. Step 2: Convert to fraction form
    1,632,021.70/2,448,032.55 = 1,521,429.70/x
  3. Step 3: Cross multiply
    1,632,021.70x = 2,448,032.55 × 1,521,429.70
  4. Step 4: Simplify right side
    1,632,021.70x = 3,724,509,428,136.73
  5. Step 5: Solve for x
    x = 3,724,509,428,136.73/1,632,021.70
  6. Step 6: Final answer
    x = 2,282,144.55

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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.