Home / 2,840,786.40-3,920,265.24-1,551,627.12

Finding the Fourth Proportional to 2,840,786.40, 3,920,265.24 and 1,551,627.12

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Solution

The fourth proportional to 2,840,786.40, 3,920,265.24 and 1,551,627.12 is: 2,141,234.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840,786.40 : 3,920,265.24 = 1,551,627.12 : x
  2. Step 2: Convert to fraction form
    2,840,786.40/3,920,265.24 = 1,551,627.12/x
  3. Step 3: Cross multiply
    2,840,786.40x = 3,920,265.24 × 1,551,627.12
  4. Step 4: Simplify right side
    2,840,786.40x = 6,082,789,863,977.31
  5. Step 5: Solve for x
    x = 6,082,789,863,977.31/2,840,786.40
  6. Step 6: Final answer
    x = 2,141,234.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.