Home / 5,422,209.30-8,127,639.09-1,826,733.78

Finding the Fourth Proportional to 5,422,209.30, 8,127,639.09 and 1,826,733.78

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Solution

The fourth proportional to 5,422,209.30, 8,127,639.09 and 1,826,733.78 is: 2,738,188.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422,209.30 : 8,127,639.09 = 1,826,733.78 : x
  2. Step 2: Convert to fraction form
    5,422,209.30/8,127,639.09 = 1,826,733.78/x
  3. Step 3: Cross multiply
    5,422,209.30x = 8,127,639.09 × 1,826,733.78
  4. Step 4: Simplify right side
    5,422,209.30x = 14,847,032,877,351.46
  5. Step 5: Solve for x
    x = 14,847,032,877,351.46/5,422,209.30
  6. Step 6: Final answer
    x = 2,738,188.82

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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.