Home / 2,078,486.96-3,117,821.16-658,647.76

Finding the Fourth Proportional to 2,078,486.96, 3,117,821.16 and 658,647.76

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Solution

The fourth proportional to 2,078,486.96, 3,117,821.16 and 658,647.76 is: 988,000.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,486.96 : 3,117,821.16 = 658,647.76 : x
  2. Step 2: Convert to fraction form
    2,078,486.96/3,117,821.16 = 658,647.76/x
  3. Step 3: Cross multiply
    2,078,486.96x = 3,117,821.16 × 658,647.76
  4. Step 4: Simplify right side
    2,078,486.96x = 2,053,545,923,114.60
  5. Step 5: Solve for x
    x = 2,053,545,923,114.60/2,078,486.96
  6. Step 6: Final answer
    x = 988,000.39

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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.