Home / 6,172,770.75-9,259,378.92-2,129,390.47

Finding the Fourth Proportional to 6,172,770.75, 9,259,378.92 and 2,129,390.47

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Solution

The fourth proportional to 6,172,770.75, 9,259,378.92 and 2,129,390.47 is: 3,194,162.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,172,770.75 : 9,259,378.92 = 2,129,390.47 : x
  2. Step 2: Convert to fraction form
    6,172,770.75/9,259,378.92 = 2,129,390.47/x
  3. Step 3: Cross multiply
    6,172,770.75x = 9,259,378.92 × 2,129,390.47
  4. Step 4: Simplify right side
    6,172,770.75x = 19,716,833,241,941.12
  5. Step 5: Solve for x
    x = 19,716,833,241,941.12/6,172,770.75
  6. Step 6: Final answer
    x = 3,194,162.57

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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.