Home / 2,078,676.80-3,115,682.40-880,395.20

Finding the Fourth Proportional to 2,078,676.80, 3,115,682.40 and 880,395.20

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Solution

The fourth proportional to 2,078,676.80, 3,115,682.40 and 880,395.20 is: 1,319,604.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,676.80 : 3,115,682.40 = 880,395.20 : x
  2. Step 2: Convert to fraction form
    2,078,676.80/3,115,682.40 = 880,395.20/x
  3. Step 3: Cross multiply
    2,078,676.80x = 3,115,682.40 × 880,395.20
  4. Step 4: Simplify right side
    2,078,676.80x = 2,743,031,829,684.48
  5. Step 5: Solve for x
    x = 2,743,031,829,684.48/2,078,676.80
  6. Step 6: Final answer
    x = 1,319,604.77

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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.