Home / 2,685,347.78-4,028,021.67-791,941.60

Finding the Fourth Proportional to 2,685,347.78, 4,028,021.67 and 791,941.60

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Solution

The fourth proportional to 2,685,347.78, 4,028,021.67 and 791,941.60 is: 1,187,912.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685,347.78 : 4,028,021.67 = 791,941.60 : x
  2. Step 2: Convert to fraction form
    2,685,347.78/4,028,021.67 = 791,941.60/x
  3. Step 3: Cross multiply
    2,685,347.78x = 4,028,021.67 × 791,941.60
  4. Step 4: Simplify right side
    2,685,347.78x = 3,189,957,926,174.47
  5. Step 5: Solve for x
    x = 3,189,957,926,174.47/2,685,347.78
  6. Step 6: Final answer
    x = 1,187,912.40

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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.