Home / 3,110,205.78-4,282,316.28-2,644,142.58

Finding the Fourth Proportional to 3,110,205.78, 4,282,316.28 and 2,644,142.58

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Solution

The fourth proportional to 3,110,205.78, 4,282,316.28 and 2,644,142.58 is: 3,640,612.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110,205.78 : 4,282,316.28 = 2,644,142.58 : x
  2. Step 2: Convert to fraction form
    3,110,205.78/4,282,316.28 = 2,644,142.58/x
  3. Step 3: Cross multiply
    3,110,205.78x = 4,282,316.28 × 2,644,142.58
  4. Step 4: Simplify right side
    3,110,205.78x = 11,323,054,816,975.20
  5. Step 5: Solve for x
    x = 11,323,054,816,975.20/3,110,205.78
  6. Step 6: Final answer
    x = 3,640,612.75

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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.