Home / 7,239,041.96-10,856,151.72-2,919,976.65

Finding the Fourth Proportional to 7,239,041.96, 10,856,151.72 and 2,919,976.65

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Solution

The fourth proportional to 7,239,041.96, 10,856,151.72 and 2,919,976.65 is: 4,378,992.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,239,041.96 : 10,856,151.72 = 2,919,976.65 : x
  2. Step 2: Convert to fraction form
    7,239,041.96/10,856,151.72 = 2,919,976.65/x
  3. Step 3: Cross multiply
    7,239,041.96x = 10,856,151.72 × 2,919,976.65
  4. Step 4: Simplify right side
    7,239,041.96x = 31,699,709,531,257.34
  5. Step 5: Solve for x
    x = 31,699,709,531,257.34/7,239,041.96
  6. Step 6: Final answer
    x = 4,378,992.38

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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.