Home / 3,199,980.80-4,800,022.40-836,076.80

Finding the Fourth Proportional to 3,199,980.80, 4,800,022.40 and 836,076.80

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Solution

The fourth proportional to 3,199,980.80, 4,800,022.40 and 836,076.80 is: 1,254,128.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,199,980.80 : 4,800,022.40 = 836,076.80 : x
  2. Step 2: Convert to fraction form
    3,199,980.80/4,800,022.40 = 836,076.80/x
  3. Step 3: Cross multiply
    3,199,980.80x = 4,800,022.40 × 836,076.80
  4. Step 4: Simplify right side
    3,199,980.80x = 4,013,187,368,120.32
  5. Step 5: Solve for x
    x = 4,013,187,368,120.32/3,199,980.80
  6. Step 6: Final answer
    x = 1,254,128.58

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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.