Home / 2,839,005.75-3,917,824.17-1,820,408.07

Finding the Fourth Proportional to 2,839,005.75, 3,917,824.17 and 1,820,408.07

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Solution

The fourth proportional to 2,839,005.75, 3,917,824.17 and 1,820,408.07 is: 2,512,160.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,839,005.75 : 3,917,824.17 = 1,820,408.07 : x
  2. Step 2: Convert to fraction form
    2,839,005.75/3,917,824.17 = 1,820,408.07/x
  3. Step 3: Cross multiply
    2,839,005.75x = 3,917,824.17 × 1,820,408.07
  4. Step 4: Simplify right side
    2,839,005.75x = 7,132,038,735,909.05
  5. Step 5: Solve for x
    x = 7,132,038,735,909.05/2,839,005.75
  6. Step 6: Final answer
    x = 2,512,160.72

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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.