Home / 3,828,752.20-5,743,128.30-1,915,564.60

Finding the Fourth Proportional to 3,828,752.20, 5,743,128.30 and 1,915,564.60

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Solution

The fourth proportional to 3,828,752.20, 5,743,128.30 and 1,915,564.60 is: 2,873,346.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828,752.20 : 5,743,128.30 = 1,915,564.60 : x
  2. Step 2: Convert to fraction form
    3,828,752.20/5,743,128.30 = 1,915,564.60/x
  3. Step 3: Cross multiply
    3,828,752.20x = 5,743,128.30 × 1,915,564.60
  4. Step 4: Simplify right side
    3,828,752.20x = 11,001,333,264,738.18
  5. Step 5: Solve for x
    x = 11,001,333,264,738.18/3,828,752.20
  6. Step 6: Final answer
    x = 2,873,346.90

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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.