Home / 3,779,436.80-5,215,398.06-2,147,617.69

Finding the Fourth Proportional to 3,779,436.80, 5,215,398.06 and 2,147,617.69

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Solution

The fourth proportional to 3,779,436.80, 5,215,398.06 and 2,147,617.69 is: 2,963,584.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779,436.80 : 5,215,398.06 = 2,147,617.69 : x
  2. Step 2: Convert to fraction form
    3,779,436.80/5,215,398.06 = 2,147,617.69/x
  3. Step 3: Cross multiply
    3,779,436.80x = 5,215,398.06 × 2,147,617.69
  4. Step 4: Simplify right side
    3,779,436.80x = 11,200,681,134,047.68
  5. Step 5: Solve for x
    x = 11,200,681,134,047.68/3,779,436.80
  6. Step 6: Final answer
    x = 2,963,584.72

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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.