Home / 3,581,715.60-5,372,573.40-3,220,909.20

Finding the Fourth Proportional to 3,581,715.60, 5,372,573.40 and 3,220,909.20

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Solution

The fourth proportional to 3,581,715.60, 5,372,573.40 and 3,220,909.20 is: 4,831,363.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,581,715.60 : 5,372,573.40 = 3,220,909.20 : x
  2. Step 2: Convert to fraction form
    3,581,715.60/5,372,573.40 = 3,220,909.20/x
  3. Step 3: Cross multiply
    3,581,715.60x = 5,372,573.40 × 3,220,909.20
  4. Step 4: Simplify right side
    3,581,715.60x = 17,304,571,091,735.28
  5. Step 5: Solve for x
    x = 17,304,571,091,735.28/3,581,715.60
  6. Step 6: Final answer
    x = 4,831,363.80

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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.