Home / 2,078,508.10-3,117,859.35-658,675.30

Finding the Fourth Proportional to 2,078,508.10, 3,117,859.35 and 658,675.30

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Solution

The fourth proportional to 2,078,508.10, 3,117,859.35 and 658,675.30 is: 988,043.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,508.10 : 3,117,859.35 = 658,675.30 : x
  2. Step 2: Convert to fraction form
    2,078,508.10/3,117,859.35 = 658,675.30/x
  3. Step 3: Cross multiply
    2,078,508.10x = 3,117,859.35 × 658,675.30
  4. Step 4: Simplify right side
    2,078,508.10x = 2,053,656,942,719.06
  5. Step 5: Solve for x
    x = 2,053,656,942,719.06/2,078,508.10
  6. Step 6: Final answer
    x = 988,043.75

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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.