Home / 1,912,906.07-2,866,209.79-1,336,587.83

Finding the Fourth Proportional to 1,912,906.07, 2,866,209.79 and 1,336,587.83

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Solution

The fourth proportional to 1,912,906.07, 2,866,209.79 and 1,336,587.83 is: 2,002,681.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,906.07 : 2,866,209.79 = 1,336,587.83 : x
  2. Step 2: Convert to fraction form
    1,912,906.07/2,866,209.79 = 1,336,587.83/x
  3. Step 3: Cross multiply
    1,912,906.07x = 2,866,209.79 × 1,336,587.83
  4. Step 4: Simplify right side
    1,912,906.07x = 3,830,941,123,540.86
  5. Step 5: Solve for x
    x = 3,830,941,123,540.86/1,912,906.07
  6. Step 6: Final answer
    x = 2,002,681.25

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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.