Home / 3,779,396.85-5,215,342.91-2,147,577.74

Finding the Fourth Proportional to 3,779,396.85, 5,215,342.91 and 2,147,577.74

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Solution

The fourth proportional to 3,779,396.85, 5,215,342.91 and 2,147,577.74 is: 2,963,529.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779,396.85 : 5,215,342.91 = 2,147,577.74 : x
  2. Step 2: Convert to fraction form
    3,779,396.85/5,215,342.91 = 2,147,577.74/x
  3. Step 3: Cross multiply
    3,779,396.85x = 5,215,342.91 × 2,147,577.74
  4. Step 4: Simplify right side
    3,779,396.85x = 11,200,354,303,168.22
  5. Step 5: Solve for x
    x = 11,200,354,303,168.22/3,779,396.85
  6. Step 6: Final answer
    x = 2,963,529.57

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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.