Home / 5,481,003.80-8,221,505.70-5,219,730.20

Finding the Fourth Proportional to 5,481,003.80, 8,221,505.70 and 5,219,730.20

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Solution

The fourth proportional to 5,481,003.80, 8,221,505.70 and 5,219,730.20 is: 7,829,595.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481,003.80 : 8,221,505.70 = 5,219,730.20 : x
  2. Step 2: Convert to fraction form
    5,481,003.80/8,221,505.70 = 5,219,730.20/x
  3. Step 3: Cross multiply
    5,481,003.80x = 8,221,505.70 × 5,219,730.20
  4. Step 4: Simplify right side
    5,481,003.80x = 42,914,041,591,762.14
  5. Step 5: Solve for x
    x = 42,914,041,591,762.14/5,481,003.80
  6. Step 6: Final answer
    x = 7,829,595.30

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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.