Home / 5,422,187.80-8,127,606.84-1,826,712.28

Finding the Fourth Proportional to 5,422,187.80, 8,127,606.84 and 1,826,712.28

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Solution

The fourth proportional to 5,422,187.80, 8,127,606.84 and 1,826,712.28 is: 2,738,156.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422,187.80 : 8,127,606.84 = 1,826,712.28 : x
  2. Step 2: Convert to fraction form
    5,422,187.80/8,127,606.84 = 1,826,712.28/x
  3. Step 3: Cross multiply
    5,422,187.80x = 8,127,606.84 × 1,826,712.28
  4. Step 4: Simplify right side
    5,422,187.80x = 14,846,799,221,640.00
  5. Step 5: Solve for x
    x = 14,846,799,221,640.00/5,422,187.80
  6. Step 6: Final answer
    x = 2,738,156.58

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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.