Home / 3,556,977.20-5,328,467.40-2,132,802.80

Finding the Fourth Proportional to 3,556,977.20, 5,328,467.40 and 2,132,802.80

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Solution

The fourth proportional to 3,556,977.20, 5,328,467.40 and 2,132,802.80 is: 3,195,007.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556,977.20 : 5,328,467.40 = 2,132,802.80 : x
  2. Step 2: Convert to fraction form
    3,556,977.20/5,328,467.40 = 2,132,802.80/x
  3. Step 3: Cross multiply
    3,556,977.20x = 5,328,467.40 × 2,132,802.80
  4. Step 4: Simplify right side
    3,556,977.20x = 11,364,570,190,428.72
  5. Step 5: Solve for x
    x = 11,364,570,190,428.72/3,556,977.20
  6. Step 6: Final answer
    x = 3,195,007.88

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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.