Home / 2,175,161.10-3,001,720.77-1,208,381.52

Finding the Fourth Proportional to 2,175,161.10, 3,001,720.77 and 1,208,381.52

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Solution

The fourth proportional to 2,175,161.10, 3,001,720.77 and 1,208,381.52 is: 1,667,565.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175,161.10 : 3,001,720.77 = 1,208,381.52 : x
  2. Step 2: Convert to fraction form
    2,175,161.10/3,001,720.77 = 1,208,381.52/x
  3. Step 3: Cross multiply
    2,175,161.10x = 3,001,720.77 × 1,208,381.52
  4. Step 4: Simplify right side
    2,175,161.10x = 3,627,223,906,668.17
  5. Step 5: Solve for x
    x = 3,627,223,906,668.17/2,175,161.10
  6. Step 6: Final answer
    x = 1,667,565.64

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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.