Home / 3,881,019.20-5,815,999.20-2,862,190.40

Finding the Fourth Proportional to 3,881,019.20, 5,815,999.20 and 2,862,190.40

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Solution

The fourth proportional to 3,881,019.20, 5,815,999.20 and 2,862,190.40 is: 4,289,207.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,881,019.20 : 5,815,999.20 = 2,862,190.40 : x
  2. Step 2: Convert to fraction form
    3,881,019.20/5,815,999.20 = 2,862,190.40/x
  3. Step 3: Cross multiply
    3,881,019.20x = 5,815,999.20 × 2,862,190.40
  4. Step 4: Simplify right side
    3,881,019.20x = 16,646,497,076,647.68
  5. Step 5: Solve for x
    x = 16,646,497,076,647.68/3,881,019.20
  6. Step 6: Final answer
    x = 4,289,207.61

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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.