Home / 2,819,356.92-3,890,613.60-1,530,171.36

Finding the Fourth Proportional to 2,819,356.92, 3,890,613.60 and 1,530,171.36

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Solution

The fourth proportional to 2,819,356.92, 3,890,613.60 and 1,530,171.36 is: 2,111,582.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,356.92 : 3,890,613.60 = 1,530,171.36 : x
  2. Step 2: Convert to fraction form
    2,819,356.92/3,890,613.60 = 1,530,171.36/x
  3. Step 3: Cross multiply
    2,819,356.92x = 3,890,613.60 × 1,530,171.36
  4. Step 4: Simplify right side
    2,819,356.92x = 5,953,305,503,546.50
  5. Step 5: Solve for x
    x = 5,953,305,503,546.50/2,819,356.92
  6. Step 6: Final answer
    x = 2,111,582.77

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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.