Home / 3,220,134.12-4,443,794.76-1,769,978.16

Finding the Fourth Proportional to 3,220,134.12, 4,443,794.76 and 1,769,978.16

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Solution

The fourth proportional to 3,220,134.12, 4,443,794.76 and 1,769,978.16 is: 2,442,575.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220,134.12 : 4,443,794.76 = 1,769,978.16 : x
  2. Step 2: Convert to fraction form
    3,220,134.12/4,443,794.76 = 1,769,978.16/x
  3. Step 3: Cross multiply
    3,220,134.12x = 4,443,794.76 × 1,769,978.16
  4. Step 4: Simplify right side
    3,220,134.12x = 7,865,419,641,653.58
  5. Step 5: Solve for x
    x = 7,865,419,641,653.58/3,220,134.12
  6. Step 6: Final answer
    x = 2,442,575.17

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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.