Home / 3,992,675.32-5,992,118.67-2,786,763.52

Finding the Fourth Proportional to 3,992,675.32, 5,992,118.67 and 2,786,763.52

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Solution

The fourth proportional to 3,992,675.32, 5,992,118.67 and 2,786,763.52 is: 4,182,312.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992,675.32 : 5,992,118.67 = 2,786,763.52 : x
  2. Step 2: Convert to fraction form
    3,992,675.32/5,992,118.67 = 2,786,763.52/x
  3. Step 3: Cross multiply
    3,992,675.32x = 5,992,118.67 × 2,786,763.52
  4. Step 4: Simplify right side
    3,992,675.32x = 16,698,617,717,066.92
  5. Step 5: Solve for x
    x = 16,698,617,717,066.92/3,992,675.32
  6. Step 6: Final answer
    x = 4,182,312.96

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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.