Home / 5,216,555.45-7,198,486.00-2,893,228.81

Finding the Fourth Proportional to 5,216,555.45, 7,198,486.00 and 2,893,228.81

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Solution

The fourth proportional to 5,216,555.45, 7,198,486.00 and 2,893,228.81 is: 3,992,455.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,216,555.45 : 7,198,486.00 = 2,893,228.81 : x
  2. Step 2: Convert to fraction form
    5,216,555.45/7,198,486.00 = 2,893,228.81/x
  3. Step 3: Cross multiply
    5,216,555.45x = 7,198,486.00 × 2,893,228.81
  4. Step 4: Simplify right side
    5,216,555.45x = 20,826,867,058,352.37
  5. Step 5: Solve for x
    x = 20,826,867,058,352.37/5,216,555.45
  6. Step 6: Final answer
    x = 3,992,455.80

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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.