Home / 3,620,619.25-5,431,628.24-1,376,582.77

Finding the Fourth Proportional to 3,620,619.25, 5,431,628.24 and 1,376,582.77

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Solution

The fourth proportional to 3,620,619.25, 5,431,628.24 and 1,376,582.77 is: 2,065,140.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620,619.25 : 5,431,628.24 = 1,376,582.77 : x
  2. Step 2: Convert to fraction form
    3,620,619.25/5,431,628.24 = 1,376,582.77/x
  3. Step 3: Cross multiply
    3,620,619.25x = 5,431,628.24 × 1,376,582.77
  4. Step 4: Simplify right side
    3,620,619.25x = 7,477,085,848,229.43
  5. Step 5: Solve for x
    x = 7,477,085,848,229.43/3,620,619.25
  6. Step 6: Final answer
    x = 2,065,140.06

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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.