Home / 2,914,171.80-4,371,257.70-1,853,914.20

Finding the Fourth Proportional to 2,914,171.80, 4,371,257.70 and 1,853,914.20

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Solution

The fourth proportional to 2,914,171.80, 4,371,257.70 and 1,853,914.20 is: 2,780,871.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914,171.80 : 4,371,257.70 = 1,853,914.20 : x
  2. Step 2: Convert to fraction form
    2,914,171.80/4,371,257.70 = 1,853,914.20/x
  3. Step 3: Cross multiply
    2,914,171.80x = 4,371,257.70 × 1,853,914.20
  4. Step 4: Simplify right side
    2,914,171.80x = 8,103,936,721,889.34
  5. Step 5: Solve for x
    x = 8,103,936,721,889.34/2,914,171.80
  6. Step 6: Final answer
    x = 2,780,871.30

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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.