Home / 2,175,205.83-3,001,682.19-1,208,395.10

Finding the Fourth Proportional to 2,175,205.83, 3,001,682.19 and 1,208,395.10

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Solution

The fourth proportional to 2,175,205.83, 3,001,682.19 and 1,208,395.10 is: 1,667,528.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175,205.83 : 3,001,682.19 = 1,208,395.10 : x
  2. Step 2: Convert to fraction form
    2,175,205.83/3,001,682.19 = 1,208,395.10/x
  3. Step 3: Cross multiply
    2,175,205.83x = 3,001,682.19 × 1,208,395.10
  4. Step 4: Simplify right side
    2,175,205.83x = 3,627,218,035,144.86
  5. Step 5: Solve for x
    x = 3,627,218,035,144.86/2,175,205.83
  6. Step 6: Final answer
    x = 1,667,528.65

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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.