Home / 2,729,479.61-4,085,821.34-1,780,807.61

Finding the Fourth Proportional to 2,729,479.61, 4,085,821.34 and 1,780,807.61

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Solution

The fourth proportional to 2,729,479.61, 4,085,821.34 and 1,780,807.61 is: 2,665,732.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,729,479.61 : 4,085,821.34 = 1,780,807.61 : x
  2. Step 2: Convert to fraction form
    2,729,479.61/4,085,821.34 = 1,780,807.61/x
  3. Step 3: Cross multiply
    2,729,479.61x = 4,085,821.34 × 1,780,807.61
  4. Step 4: Simplify right side
    2,729,479.61x = 7,276,061,726,468.36
  5. Step 5: Solve for x
    x = 7,276,061,726,468.36/2,729,479.61
  6. Step 6: Final answer
    x = 2,665,732.21

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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.