Home / 2,591,531.60-3,889,241.40-1,328,709.20

Finding the Fourth Proportional to 2,591,531.60, 3,889,241.40 and 1,328,709.20

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Solution

The fourth proportional to 2,591,531.60, 3,889,241.40 and 1,328,709.20 is: 1,994,060.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,591,531.60 : 3,889,241.40 = 1,328,709.20 : x
  2. Step 2: Convert to fraction form
    2,591,531.60/3,889,241.40 = 1,328,709.20/x
  3. Step 3: Cross multiply
    2,591,531.60x = 3,889,241.40 × 1,328,709.20
  4. Step 4: Simplify right side
    2,591,531.60x = 5,167,670,829,200.88
  5. Step 5: Solve for x
    x = 5,167,670,829,200.88/2,591,531.60
  6. Step 6: Final answer
    x = 1,994,060.51

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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.