Home / 3,178,817.76-4,388,394-2,452,033.92

Finding the Fourth Proportional to 3,178,817.76, 4,388,394 and 2,452,033.92

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Solution

The fourth proportional to 3,178,817.76, 4,388,394 and 2,452,033.92 is: 3,385,060.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,817.76 : 4,388,394 = 2,452,033.92 : x
  2. Step 2: Convert to fraction form
    3,178,817.76/4,388,394 = 2,452,033.92/x
  3. Step 3: Cross multiply
    3,178,817.76x = 4,388,394 × 2,452,033.92
  4. Step 4: Simplify right side
    3,178,817.76x = 10,760,490,942,324.48
  5. Step 5: Solve for x
    x = 10,760,490,942,324.48/3,178,817.76
  6. Step 6: Final answer
    x = 3,385,060.66

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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.