Home / 3,219,851.96-4,442,425.80-1,930,221.80

Finding the Fourth Proportional to 3,219,851.96, 4,442,425.80 and 1,930,221.80

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Solution

The fourth proportional to 3,219,851.96, 4,442,425.80 and 1,930,221.80 is: 2,663,124.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219,851.96 : 4,442,425.80 = 1,930,221.80 : x
  2. Step 2: Convert to fraction form
    3,219,851.96/4,442,425.80 = 1,930,221.80/x
  3. Step 3: Cross multiply
    3,219,851.96x = 4,442,425.80 × 1,930,221.80
  4. Step 4: Simplify right side
    3,219,851.96x = 8,574,867,124,042.44
  5. Step 5: Solve for x
    x = 8,574,867,124,042.44/3,219,851.96
  6. Step 6: Final answer
    x = 2,663,124.65

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1.5x scale

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.