Home / 3,916,454.88-5,404,751.28-2,174,242.08

Finding the Fourth Proportional to 3,916,454.88, 5,404,751.28 and 2,174,242.08

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Solution

The fourth proportional to 3,916,454.88, 5,404,751.28 and 2,174,242.08 is: 3,000,478.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,916,454.88 : 5,404,751.28 = 2,174,242.08 : x
  2. Step 2: Convert to fraction form
    3,916,454.88/5,404,751.28 = 2,174,242.08/x
  3. Step 3: Cross multiply
    3,916,454.88x = 5,404,751.28 × 2,174,242.08
  4. Step 4: Simplify right side
    3,916,454.88x = 11,751,237,664,909.86
  5. Step 5: Solve for x
    x = 11,751,237,664,909.86/3,916,454.88
  6. Step 6: Final answer
    x = 3,000,478.24

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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.