Home / 3,828,446.20-5,742,669.30-1,555,059.70

Finding the Fourth Proportional to 3,828,446.20, 5,742,669.30 and 1,555,059.70

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Solution

The fourth proportional to 3,828,446.20, 5,742,669.30 and 1,555,059.70 is: 2,332,589.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828,446.20 : 5,742,669.30 = 1,555,059.70 : x
  2. Step 2: Convert to fraction form
    3,828,446.20/5,742,669.30 = 1,555,059.70/x
  3. Step 3: Cross multiply
    3,828,446.20x = 5,742,669.30 × 1,555,059.70
  4. Step 4: Simplify right side
    3,828,446.20x = 8,930,193,598,857.21
  5. Step 5: Solve for x
    x = 8,930,193,598,857.21/3,828,446.20
  6. Step 6: Final answer
    x = 2,332,589.55

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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.