Home / 2,982,820.80-4,468,982.40-2,447,443.20

Finding the Fourth Proportional to 2,982,820.80, 4,468,982.40 and 2,447,443.20

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Solution

The fourth proportional to 2,982,820.80, 4,468,982.40 and 2,447,443.20 is: 3,666,858.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982,820.80 : 4,468,982.40 = 2,447,443.20 : x
  2. Step 2: Convert to fraction form
    2,982,820.80/4,468,982.40 = 2,447,443.20/x
  3. Step 3: Cross multiply
    2,982,820.80x = 4,468,982.40 × 2,447,443.20
  4. Step 4: Simplify right side
    2,982,820.80x = 10,937,580,585,799.68
  5. Step 5: Solve for x
    x = 10,937,580,585,799.68/2,982,820.80
  6. Step 6: Final answer
    x = 3,666,858.09

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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.