Home / 3,942,320.87-5,441,566.28-2,311,081.31

Finding the Fourth Proportional to 3,942,320.87, 5,441,566.28 and 2,311,081.31

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Solution

The fourth proportional to 3,942,320.87, 5,441,566.28 and 2,311,081.31 is: 3,189,974.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942,320.87 : 5,441,566.28 = 2,311,081.31 : x
  2. Step 2: Convert to fraction form
    3,942,320.87/5,441,566.28 = 2,311,081.31/x
  3. Step 3: Cross multiply
    3,942,320.87x = 5,441,566.28 × 2,311,081.31
  4. Step 4: Simplify right side
    3,942,320.87x = 12,575,902,088,070.99
  5. Step 5: Solve for x
    x = 12,575,902,088,070.99/3,942,320.87
  6. Step 6: Final answer
    x = 3,189,974.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.