Home / 2,078,558.20-3,118,274.70-658,757.80

Finding the Fourth Proportional to 2,078,558.20, 3,118,274.70 and 658,757.80

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Solution

The fourth proportional to 2,078,558.20, 3,118,274.70 and 658,757.80 is: 988,275.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,558.20 : 3,118,274.70 = 658,757.80 : x
  2. Step 2: Convert to fraction form
    2,078,558.20/3,118,274.70 = 658,757.80/x
  3. Step 3: Cross multiply
    2,078,558.20x = 3,118,274.70 × 658,757.80
  4. Step 4: Simplify right side
    2,078,558.20x = 2,054,187,781,167.66
  5. Step 5: Solve for x
    x = 2,054,187,781,167.66/2,078,558.20
  6. Step 6: Final answer
    x = 988,275.33

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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.