Home / 3,190,511.99-4,787,838.35-1,910,154.71

Finding the Fourth Proportional to 3,190,511.99, 4,787,838.35 and 1,910,154.71

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Solution

The fourth proportional to 3,190,511.99, 4,787,838.35 and 1,910,154.71 is: 2,866,471.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190,511.99 : 4,787,838.35 = 1,910,154.71 : x
  2. Step 2: Convert to fraction form
    3,190,511.99/4,787,838.35 = 1,910,154.71/x
  3. Step 3: Cross multiply
    3,190,511.99x = 4,787,838.35 × 1,910,154.71
  4. Step 4: Simplify right side
    3,190,511.99x = 9,145,511,941,481.16
  5. Step 5: Solve for x
    x = 9,145,511,941,481.16/3,190,511.99
  6. Step 6: Final answer
    x = 2,866,471.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.