Home / 3,398,056.44-4,689,351-1,870,198.80

Finding the Fourth Proportional to 3,398,056.44, 4,689,351 and 1,870,198.80

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Solution

The fourth proportional to 3,398,056.44, 4,689,351 and 1,870,198.80 is: 2,580,892.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,398,056.44 : 4,689,351 = 1,870,198.80 : x
  2. Step 2: Convert to fraction form
    3,398,056.44/4,689,351 = 1,870,198.80/x
  3. Step 3: Cross multiply
    3,398,056.44x = 4,689,351 × 1,870,198.80
  4. Step 4: Simplify right side
    3,398,056.44x = 8,770,018,612,978.80
  5. Step 5: Solve for x
    x = 8,770,018,612,978.80/3,398,056.44
  6. Step 6: Final answer
    x = 2,580,892.57

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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.