Home / 3,457,813.24-5,190,372.15-1,942,790.86

Finding the Fourth Proportional to 3,457,813.24, 5,190,372.15 and 1,942,790.86

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Solution

The fourth proportional to 3,457,813.24, 5,190,372.15 and 1,942,790.86 is: 2,916,238.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457,813.24 : 5,190,372.15 = 1,942,790.86 : x
  2. Step 2: Convert to fraction form
    3,457,813.24/5,190,372.15 = 1,942,790.86/x
  3. Step 3: Cross multiply
    3,457,813.24x = 5,190,372.15 × 1,942,790.86
  4. Step 4: Simplify right side
    3,457,813.24x = 10,083,807,573,018.55
  5. Step 5: Solve for x
    x = 10,083,807,573,018.55/3,457,813.24
  6. Step 6: Final answer
    x = 2,916,238.35

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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.