Home / 2,910,206.40-4,367,383.20-1,228,516.80

Finding the Fourth Proportional to 2,910,206.40, 4,367,383.20 and 1,228,516.80

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Solution

The fourth proportional to 2,910,206.40, 4,367,383.20 and 1,228,516.80 is: 1,843,650.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910,206.40 : 4,367,383.20 = 1,228,516.80 : x
  2. Step 2: Convert to fraction form
    2,910,206.40/4,367,383.20 = 1,228,516.80/x
  3. Step 3: Cross multiply
    2,910,206.40x = 4,367,383.20 × 1,228,516.80
  4. Step 4: Simplify right side
    2,910,206.40x = 5,365,403,633,237.76
  5. Step 5: Solve for x
    x = 5,365,403,633,237.76/2,910,206.40
  6. Step 6: Final answer
    x = 1,843,650.55

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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.