Home / 3,816,856.80-5,725,285.20-3,653,042.40

Finding the Fourth Proportional to 3,816,856.80, 5,725,285.20 and 3,653,042.40

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Solution

The fourth proportional to 3,816,856.80, 5,725,285.20 and 3,653,042.40 is: 5,479,563.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816,856.80 : 5,725,285.20 = 3,653,042.40 : x
  2. Step 2: Convert to fraction form
    3,816,856.80/5,725,285.20 = 3,653,042.40/x
  3. Step 3: Cross multiply
    3,816,856.80x = 5,725,285.20 × 3,653,042.40
  4. Step 4: Simplify right side
    3,816,856.80x = 20,914,709,587,692.48
  5. Step 5: Solve for x
    x = 20,914,709,587,692.48/3,816,856.80
  6. Step 6: Final answer
    x = 5,479,563.60

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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.