Home / 3,579,371.50-4,939,533.48-1,969,739.50

Finding the Fourth Proportional to 3,579,371.50, 4,939,533.48 and 1,969,739.50

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Solution

The fourth proportional to 3,579,371.50, 4,939,533.48 and 1,969,739.50 is: 2,718,240.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579,371.50 : 4,939,533.48 = 1,969,739.50 : x
  2. Step 2: Convert to fraction form
    3,579,371.50/4,939,533.48 = 1,969,739.50/x
  3. Step 3: Cross multiply
    3,579,371.50x = 4,939,533.48 × 1,969,739.50
  4. Step 4: Simplify right side
    3,579,371.50x = 9,729,594,207,128.46
  5. Step 5: Solve for x
    x = 9,729,594,207,128.46/3,579,371.50
  6. Step 6: Final answer
    x = 2,718,240.96

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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.