Home / 3,178,211.70-4,385,910.36-1,727,907.10

Finding the Fourth Proportional to 3,178,211.70, 4,385,910.36 and 1,727,907.10

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Solution

The fourth proportional to 3,178,211.70, 4,385,910.36 and 1,727,907.10 is: 2,384,499.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,211.70 : 4,385,910.36 = 1,727,907.10 : x
  2. Step 2: Convert to fraction form
    3,178,211.70/4,385,910.36 = 1,727,907.10/x
  3. Step 3: Cross multiply
    3,178,211.70x = 4,385,910.36 × 1,727,907.10
  4. Step 4: Simplify right side
    3,178,211.70x = 7,578,445,651,007.56
  5. Step 5: Solve for x
    x = 7,578,445,651,007.56/3,178,211.70
  6. Step 6: Final answer
    x = 2,384,499.95

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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.