Home / 3,831,613.74-5,287,356.54-2,112,697.62

Finding the Fourth Proportional to 3,831,613.74, 5,287,356.54 and 2,112,697.62

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Solution

The fourth proportional to 3,831,613.74, 5,287,356.54 and 2,112,697.62 is: 2,915,373.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,831,613.74 : 5,287,356.54 = 2,112,697.62 : x
  2. Step 2: Convert to fraction form
    3,831,613.74/5,287,356.54 = 2,112,697.62/x
  3. Step 3: Cross multiply
    3,831,613.74x = 5,287,356.54 × 2,112,697.62
  4. Step 4: Simplify right side
    3,831,613.74x = 11,170,585,578,149.44
  5. Step 5: Solve for x
    x = 11,170,585,578,149.44/3,831,613.74
  6. Step 6: Final answer
    x = 2,915,373.61

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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.