Home / 2,789,488.80-4,184,233.20-767,728.80

Finding the Fourth Proportional to 2,789,488.80, 4,184,233.20 and 767,728.80

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Solution

The fourth proportional to 2,789,488.80, 4,184,233.20 and 767,728.80 is: 1,151,593.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789,488.80 : 4,184,233.20 = 767,728.80 : x
  2. Step 2: Convert to fraction form
    2,789,488.80/4,184,233.20 = 767,728.80/x
  3. Step 3: Cross multiply
    2,789,488.80x = 4,184,233.20 × 767,728.80
  4. Step 4: Simplify right side
    2,789,488.80x = 3,212,356,333,556.16
  5. Step 5: Solve for x
    x = 3,212,356,333,556.16/2,789,488.80
  6. Step 6: Final answer
    x = 1,151,593.20

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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.