Home / 1,912,864.60-2,863,076.10-1,489,850.20

Finding the Fourth Proportional to 1,912,864.60, 2,863,076.10 and 1,489,850.20

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Solution

The fourth proportional to 1,912,864.60, 2,863,076.10 and 1,489,850.20 is: 2,229,930.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,864.60 : 2,863,076.10 = 1,489,850.20 : x
  2. Step 2: Convert to fraction form
    1,912,864.60/2,863,076.10 = 1,489,850.20/x
  3. Step 3: Cross multiply
    1,912,864.60x = 2,863,076.10 × 1,489,850.20
  4. Step 4: Simplify right side
    1,912,864.60x = 4,265,554,500,200.22
  5. Step 5: Solve for x
    x = 4,265,554,500,200.22/1,912,864.60
  6. Step 6: Final answer
    x = 2,229,930.18

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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.