Home / 2,275,997.80-3,415,308.90-857,072.20

Finding the Fourth Proportional to 2,275,997.80, 3,415,308.90 and 857,072.20

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Solution

The fourth proportional to 2,275,997.80, 3,415,308.90 and 857,072.20 is: 1,286,102.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,275,997.80 : 3,415,308.90 = 857,072.20 : x
  2. Step 2: Convert to fraction form
    2,275,997.80/3,415,308.90 = 857,072.20/x
  3. Step 3: Cross multiply
    2,275,997.80x = 3,415,308.90 × 857,072.20
  4. Step 4: Simplify right side
    2,275,997.80x = 2,927,166,312,602.58
  5. Step 5: Solve for x
    x = 2,927,166,312,602.58/2,275,997.80
  6. Step 6: Final answer
    x = 1,286,102.43

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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.