Home / 3,438,672.32-4,743,896.12-2,147,270.70

Finding the Fourth Proportional to 3,438,672.32, 4,743,896.12 and 2,147,270.70

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Solution

The fourth proportional to 3,438,672.32, 4,743,896.12 and 2,147,270.70 is: 2,962,314.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438,672.32 : 4,743,896.12 = 2,147,270.70 : x
  2. Step 2: Convert to fraction form
    3,438,672.32/4,743,896.12 = 2,147,270.70/x
  3. Step 3: Cross multiply
    3,438,672.32x = 4,743,896.12 × 2,147,270.70
  4. Step 4: Simplify right side
    3,438,672.32x = 10,186,429,142,319.69
  5. Step 5: Solve for x
    x = 10,186,429,142,319.69/3,438,672.32
  6. Step 6: Final answer
    x = 2,962,314.58

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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.