Home / 3,816,766.80-5,725,150.20-3,191,576.40

Finding the Fourth Proportional to 3,816,766.80, 5,725,150.20 and 3,191,576.40

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Solution

The fourth proportional to 3,816,766.80, 5,725,150.20 and 3,191,576.40 is: 4,787,364.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816,766.80 : 5,725,150.20 = 3,191,576.40 : x
  2. Step 2: Convert to fraction form
    3,816,766.80/5,725,150.20 = 3,191,576.40/x
  3. Step 3: Cross multiply
    3,816,766.80x = 5,725,150.20 × 3,191,576.40
  4. Step 4: Simplify right side
    3,816,766.80x = 18,272,254,264,775.28
  5. Step 5: Solve for x
    x = 18,272,254,264,775.28/3,816,766.80
  6. Step 6: Final answer
    x = 4,787,364.60

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Similar ratio
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1.5x scale

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.