Home / 3,561,636.80-4,915,049.28-1,930,089.44

Finding the Fourth Proportional to 3,561,636.80, 4,915,049.28 and 1,930,089.44

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Solution

The fourth proportional to 3,561,636.80, 4,915,049.28 and 1,930,089.44 is: 2,663,518.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,561,636.80 : 4,915,049.28 = 1,930,089.44 : x
  2. Step 2: Convert to fraction form
    3,561,636.80/4,915,049.28 = 1,930,089.44/x
  3. Step 3: Cross multiply
    3,561,636.80x = 4,915,049.28 × 1,930,089.44
  4. Step 4: Simplify right side
    3,561,636.80x = 9,486,484,712,407.60
  5. Step 5: Solve for x
    x = 9,486,484,712,407.60/3,561,636.80
  6. Step 6: Final answer
    x = 2,663,518.28

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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.