Home / 3,543,415.80-5,315,123.70-3,522,420.60

Finding the Fourth Proportional to 3,543,415.80, 5,315,123.70 and 3,522,420.60

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Solution

The fourth proportional to 3,543,415.80, 5,315,123.70 and 3,522,420.60 is: 5,283,630.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,543,415.80 : 5,315,123.70 = 3,522,420.60 : x
  2. Step 2: Convert to fraction form
    3,543,415.80/5,315,123.70 = 3,522,420.60/x
  3. Step 3: Cross multiply
    3,543,415.80x = 5,315,123.70 × 3,522,420.60
  4. Step 4: Simplify right side
    3,543,415.80x = 18,722,101,212,428.22
  5. Step 5: Solve for x
    x = 18,722,101,212,428.22/3,543,415.80
  6. Step 6: Final answer
    x = 5,283,630.90

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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.