Home / 2,819,311.74-3,890,551.41-1,530,126.27

Finding the Fourth Proportional to 2,819,311.74, 3,890,551.41 and 1,530,126.27

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Solution

The fourth proportional to 2,819,311.74, 3,890,551.41 and 1,530,126.27 is: 2,111,520.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,311.74 : 3,890,551.41 = 1,530,126.27 : x
  2. Step 2: Convert to fraction form
    2,819,311.74/3,890,551.41 = 1,530,126.27/x
  3. Step 3: Cross multiply
    2,819,311.74x = 3,890,551.41 × 1,530,126.27
  4. Step 4: Simplify right side
    2,819,311.74x = 5,953,034,917,226.54
  5. Step 5: Solve for x
    x = 5,953,034,917,226.54/2,819,311.74
  6. Step 6: Final answer
    x = 2,111,520.64

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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.