Home / 3,571,342.85-4,928,488.94-1,939,782.13

Finding the Fourth Proportional to 3,571,342.85, 4,928,488.94 and 1,939,782.13

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Solution

The fourth proportional to 3,571,342.85, 4,928,488.94 and 1,939,782.13 is: 2,676,918.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571,342.85 : 4,928,488.94 = 1,939,782.13 : x
  2. Step 2: Convert to fraction form
    3,571,342.85/4,928,488.94 = 1,939,782.13/x
  3. Step 3: Cross multiply
    3,571,342.85x = 4,928,488.94 × 1,939,782.13
  4. Step 4: Simplify right side
    3,571,342.85x = 9,560,194,766,242.88
  5. Step 5: Solve for x
    x = 9,560,194,766,242.88/3,571,342.85
  6. Step 6: Final answer
    x = 2,676,918.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.