Home / 2,068,754.60-3,103,131.90-1,919,455.40

Finding the Fourth Proportional to 2,068,754.60, 3,103,131.90 and 1,919,455.40

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Solution

The fourth proportional to 2,068,754.60, 3,103,131.90 and 1,919,455.40 is: 2,879,183.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068,754.60 : 3,103,131.90 = 1,919,455.40 : x
  2. Step 2: Convert to fraction form
    2,068,754.60/3,103,131.90 = 1,919,455.40/x
  3. Step 3: Cross multiply
    2,068,754.60x = 3,103,131.90 × 1,919,455.40
  4. Step 4: Simplify right side
    2,068,754.60x = 5,956,323,282,367.26
  5. Step 5: Solve for x
    x = 5,956,323,282,367.26/2,068,754.60
  6. Step 6: Final answer
    x = 2,879,183.10

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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.