Home / 3,921,613.53-5,411,957.93-2,179,356.34

Finding the Fourth Proportional to 3,921,613.53, 5,411,957.93 and 2,179,356.34

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Solution

The fourth proportional to 3,921,613.53, 5,411,957.93 and 2,179,356.34 is: 3,007,584.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921,613.53 : 5,411,957.93 = 2,179,356.34 : x
  2. Step 2: Convert to fraction form
    3,921,613.53/5,411,957.93 = 2,179,356.34/x
  3. Step 3: Cross multiply
    3,921,613.53x = 5,411,957.93 × 2,179,356.34
  4. Step 4: Simplify right side
    3,921,613.53x = 11,794,584,826,558.78
  5. Step 5: Solve for x
    x = 11,794,584,826,558.78/3,921,613.53
  6. Step 6: Final answer
    x = 3,007,584.69

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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.