Home / 2,078,403.60-3,117,022.20-658,894.80

Finding the Fourth Proportional to 2,078,403.60, 3,117,022.20 and 658,894.80

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Solution

The fourth proportional to 2,078,403.60, 3,117,022.20 and 658,894.80 is: 988,157.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,403.60 : 3,117,022.20 = 658,894.80 : x
  2. Step 2: Convert to fraction form
    2,078,403.60/3,117,022.20 = 658,894.80/x
  3. Step 3: Cross multiply
    2,078,403.60x = 3,117,022.20 × 658,894.80
  4. Step 4: Simplify right side
    2,078,403.60x = 2,053,789,719,064.56
  5. Step 5: Solve for x
    x = 2,053,789,719,064.56/2,078,403.60
  6. Step 6: Final answer
    x = 988,157.31

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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.