Home / 2,186,676.80-3,277,682.40-838,318.40

Finding the Fourth Proportional to 2,186,676.80, 3,277,682.40 and 838,318.40

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Solution

The fourth proportional to 2,186,676.80, 3,277,682.40 and 838,318.40 is: 1,256,583.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186,676.80 : 3,277,682.40 = 838,318.40 : x
  2. Step 2: Convert to fraction form
    2,186,676.80/3,277,682.40 = 838,318.40/x
  3. Step 3: Cross multiply
    2,186,676.80x = 3,277,682.40 × 838,318.40
  4. Step 4: Simplify right side
    2,186,676.80x = 2,747,741,465,276.16
  5. Step 5: Solve for x
    x = 2,747,741,465,276.16/2,186,676.80
  6. Step 6: Final answer
    x = 1,256,583.26

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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.