Home / 3,992,080.80-5,988,121.20-3,551,181.60

Finding the Fourth Proportional to 3,992,080.80, 5,988,121.20 and 3,551,181.60

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Solution

The fourth proportional to 3,992,080.80, 5,988,121.20 and 3,551,181.60 is: 5,326,772.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992,080.80 : 5,988,121.20 = 3,551,181.60 : x
  2. Step 2: Convert to fraction form
    3,992,080.80/5,988,121.20 = 3,551,181.60/x
  3. Step 3: Cross multiply
    3,992,080.80x = 5,988,121.20 × 3,551,181.60
  4. Step 4: Simplify right side
    3,992,080.80x = 21,264,905,824,009.92
  5. Step 5: Solve for x
    x = 21,264,905,824,009.92/3,992,080.80
  6. Step 6: Final answer
    x = 5,326,772.40

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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.