Home / 2,878,245.50-3,971,967.71-1,589,076.41

Finding the Fourth Proportional to 2,878,245.50, 3,971,967.71 and 1,589,076.41

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Solution

The fourth proportional to 2,878,245.50, 3,971,967.71 and 1,589,076.41 is: 2,192,919.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,245.50 : 3,971,967.71 = 1,589,076.41 : x
  2. Step 2: Convert to fraction form
    2,878,245.50/3,971,967.71 = 1,589,076.41/x
  3. Step 3: Cross multiply
    2,878,245.50x = 3,971,967.71 × 1,589,076.41
  4. Step 4: Simplify right side
    2,878,245.50x = 6,311,760,161,437.50
  5. Step 5: Solve for x
    x = 6,311,760,161,437.50/2,878,245.50
  6. Step 6: Final answer
    x = 2,192,919.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.