Home / 1,912,818.60-2,863,007.10-1,489,804.20

Finding the Fourth Proportional to 1,912,818.60, 2,863,007.10 and 1,489,804.20

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Solution

The fourth proportional to 1,912,818.60, 2,863,007.10 and 1,489,804.20 is: 2,229,861.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,818.60 : 2,863,007.10 = 1,489,804.20 : x
  2. Step 2: Convert to fraction form
    1,912,818.60/2,863,007.10 = 1,489,804.20/x
  3. Step 3: Cross multiply
    1,912,818.60x = 2,863,007.10 × 1,489,804.20
  4. Step 4: Simplify right side
    1,912,818.60x = 4,265,320,002,209.82
  5. Step 5: Solve for x
    x = 4,265,320,002,209.82/1,912,818.60
  6. Step 6: Final answer
    x = 2,229,861.21

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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.