Home / 1,915,358.77-2,872,412.97-635,622.46

Finding the Fourth Proportional to 1,915,358.77, 2,872,412.97 and 635,622.46

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Solution

The fourth proportional to 1,915,358.77, 2,872,412.97 and 635,622.46 is: 953,226.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,358.77 : 2,872,412.97 = 635,622.46 : x
  2. Step 2: Convert to fraction form
    1,915,358.77/2,872,412.97 = 635,622.46/x
  3. Step 3: Cross multiply
    1,915,358.77x = 2,872,412.97 × 635,622.46
  4. Step 4: Simplify right side
    1,915,358.77x = 1,825,770,198,127.31
  5. Step 5: Solve for x
    x = 1,825,770,198,127.31/1,915,358.77
  6. Step 6: Final answer
    x = 953,226.22

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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.