Home / 2,892,964.32-3,992,387.85-1,603,727.82

Finding the Fourth Proportional to 2,892,964.32, 3,992,387.85 and 1,603,727.82

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Solution

The fourth proportional to 2,892,964.32, 3,992,387.85 and 1,603,727.82 is: 2,213,198.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,892,964.32 : 3,992,387.85 = 1,603,727.82 : x
  2. Step 2: Convert to fraction form
    2,892,964.32/3,992,387.85 = 1,603,727.82/x
  3. Step 3: Cross multiply
    2,892,964.32x = 3,992,387.85 × 1,603,727.82
  4. Step 4: Simplify right side
    2,892,964.32x = 6,402,703,463,274.99
  5. Step 5: Solve for x
    x = 6,402,703,463,274.99/2,892,964.32
  6. Step 6: Final answer
    x = 2,213,198.21

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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.