Home / 2,754,312.80-4,131,469.20-2,082,466.40

Finding the Fourth Proportional to 2,754,312.80, 4,131,469.20 and 2,082,466.40

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Solution

The fourth proportional to 2,754,312.80, 4,131,469.20 and 2,082,466.40 is: 3,123,699.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,754,312.80 : 4,131,469.20 = 2,082,466.40 : x
  2. Step 2: Convert to fraction form
    2,754,312.80/4,131,469.20 = 2,082,466.40/x
  3. Step 3: Cross multiply
    2,754,312.80x = 4,131,469.20 × 2,082,466.40
  4. Step 4: Simplify right side
    2,754,312.80x = 8,603,645,791,634.88
  5. Step 5: Solve for x
    x = 8,603,645,791,634.88/2,754,312.80
  6. Step 6: Final answer
    x = 3,123,699.60

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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.