Home / 3,136,815.20-4,705,222.80-3,113,195.60

Finding the Fourth Proportional to 3,136,815.20, 4,705,222.80 and 3,113,195.60

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Solution

The fourth proportional to 3,136,815.20, 4,705,222.80 and 3,113,195.60 is: 4,669,793.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136,815.20 : 4,705,222.80 = 3,113,195.60 : x
  2. Step 2: Convert to fraction form
    3,136,815.20/4,705,222.80 = 3,113,195.60/x
  3. Step 3: Cross multiply
    3,136,815.20x = 4,705,222.80 × 3,113,195.60
  4. Step 4: Simplify right side
    3,136,815.20x = 14,648,278,917,979.68
  5. Step 5: Solve for x
    x = 14,648,278,917,979.68/3,136,815.20
  6. Step 6: Final answer
    x = 4,669,793.40

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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.