Home / 3,942,798.80-5,905,903.80-3,279,246.80

Finding the Fourth Proportional to 3,942,798.80, 5,905,903.80 and 3,279,246.80

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Solution

The fourth proportional to 3,942,798.80, 5,905,903.80 and 3,279,246.80 is: 4,911,971.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942,798.80 : 5,905,903.80 = 3,279,246.80 : x
  2. Step 2: Convert to fraction form
    3,942,798.80/5,905,903.80 = 3,279,246.80/x
  3. Step 3: Cross multiply
    3,942,798.80x = 5,905,903.80 × 3,279,246.80
  4. Step 4: Simplify right side
    3,942,798.80x = 19,366,916,137,257.84
  5. Step 5: Solve for x
    x = 19,366,916,137,257.84/3,942,798.80
  6. Step 6: Final answer
    x = 4,911,971.70

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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.