Home / 2,199,859.20-3,299,788.80-1,821,945.60

Finding the Fourth Proportional to 2,199,859.20, 3,299,788.80 and 1,821,945.60

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Solution

The fourth proportional to 2,199,859.20, 3,299,788.80 and 1,821,945.60 is: 2,732,918.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199,859.20 : 3,299,788.80 = 1,821,945.60 : x
  2. Step 2: Convert to fraction form
    2,199,859.20/3,299,788.80 = 1,821,945.60/x
  3. Step 3: Cross multiply
    2,199,859.20x = 3,299,788.80 × 1,821,945.60
  4. Step 4: Simplify right side
    2,199,859.20x = 6,012,035,685,089.28
  5. Step 5: Solve for x
    x = 6,012,035,685,089.28/2,199,859.20
  6. Step 6: Final answer
    x = 2,732,918.40

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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.