Home / 2,729,479.75-4,085,821.54-1,780,807.75

Finding the Fourth Proportional to 2,729,479.75, 4,085,821.54 and 1,780,807.75

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Solution

The fourth proportional to 2,729,479.75, 4,085,821.54 and 1,780,807.75 is: 2,665,732.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,729,479.75 : 4,085,821.54 = 1,780,807.75 : x
  2. Step 2: Convert to fraction form
    2,729,479.75/4,085,821.54 = 1,780,807.75/x
  3. Step 3: Cross multiply
    2,729,479.75x = 4,085,821.54 × 1,780,807.75
  4. Step 4: Simplify right side
    2,729,479.75x = 7,276,062,663,548.94
  5. Step 5: Solve for x
    x = 7,276,062,663,548.94/2,729,479.75
  6. Step 6: Final answer
    x = 2,665,732.42

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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.