Home / 5,431,966.20-8,147,949.30-2,065,735.80

Finding the Fourth Proportional to 5,431,966.20, 8,147,949.30 and 2,065,735.80

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Solution

The fourth proportional to 5,431,966.20, 8,147,949.30 and 2,065,735.80 is: 3,098,603.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431,966.20 : 8,147,949.30 = 2,065,735.80 : x
  2. Step 2: Convert to fraction form
    5,431,966.20/8,147,949.30 = 2,065,735.80/x
  3. Step 3: Cross multiply
    5,431,966.20x = 8,147,949.30 × 2,065,735.80
  4. Step 4: Simplify right side
    5,431,966.20x = 16,831,510,565,594.94
  5. Step 5: Solve for x
    x = 16,831,510,565,594.94/5,431,966.20
  6. Step 6: Final answer
    x = 3,098,603.70

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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.