Home / 1,915,153.40-2,872,049.70-848,286.20

Finding the Fourth Proportional to 1,915,153.40, 2,872,049.70 and 848,286.20

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Solution

The fourth proportional to 1,915,153.40, 2,872,049.70 and 848,286.20 is: 1,272,127.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,153.40 : 2,872,049.70 = 848,286.20 : x
  2. Step 2: Convert to fraction form
    1,915,153.40/2,872,049.70 = 848,286.20/x
  3. Step 3: Cross multiply
    1,915,153.40x = 2,872,049.70 × 848,286.20
  4. Step 4: Simplify right side
    1,915,153.40x = 2,436,320,126,224.14
  5. Step 5: Solve for x
    x = 2,436,320,126,224.14/1,915,153.40
  6. Step 6: Final answer
    x = 1,272,127.93

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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.