Home / 3,107,220.60-4,658,930.10-1,211,777.40

Finding the Fourth Proportional to 3,107,220.60, 4,658,930.10 and 1,211,777.40

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Solution

The fourth proportional to 3,107,220.60, 4,658,930.10 and 1,211,777.40 is: 1,816,924.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107,220.60 : 4,658,930.10 = 1,211,777.40 : x
  2. Step 2: Convert to fraction form
    3,107,220.60/4,658,930.10 = 1,211,777.40/x
  3. Step 3: Cross multiply
    3,107,220.60x = 4,658,930.10 × 1,211,777.40
  4. Step 4: Simplify right side
    3,107,220.60x = 5,645,586,203,359.74
  5. Step 5: Solve for x
    x = 5,645,586,203,359.74/3,107,220.60
  6. Step 6: Final answer
    x = 1,816,924.81

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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.