Home / 2,080,178.80-3,114,047.40-1,238,297.20

Finding the Fourth Proportional to 2,080,178.80, 3,114,047.40 and 1,238,297.20

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Solution

The fourth proportional to 2,080,178.80, 3,114,047.40 and 1,238,297.20 is: 1,853,742.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,178.80 : 3,114,047.40 = 1,238,297.20 : x
  2. Step 2: Convert to fraction form
    2,080,178.80/3,114,047.40 = 1,238,297.20/x
  3. Step 3: Cross multiply
    2,080,178.80x = 3,114,047.40 × 1,238,297.20
  4. Step 4: Simplify right side
    2,080,178.80x = 3,856,116,176,087.28
  5. Step 5: Solve for x
    x = 3,856,116,176,087.28/2,080,178.80
  6. Step 6: Final answer
    x = 1,853,742.66

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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.