Home / 3,918,833.64-5,407,691.86-2,199,622.01

Finding the Fourth Proportional to 3,918,833.64, 5,407,691.86 and 2,199,622.01

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Solution

The fourth proportional to 3,918,833.64, 5,407,691.86 and 2,199,622.01 is: 3,035,310.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918,833.64 : 5,407,691.86 = 2,199,622.01 : x
  2. Step 2: Convert to fraction form
    3,918,833.64/5,407,691.86 = 2,199,622.01/x
  3. Step 3: Cross multiply
    3,918,833.64x = 5,407,691.86 × 2,199,622.01
  4. Step 4: Simplify right side
    3,918,833.64x = 11,894,878,038,553.84
  5. Step 5: Solve for x
    x = 11,894,878,038,553.84/3,918,833.64
  6. Step 6: Final answer
    x = 3,035,310.79

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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.