Home / 1,857,690.40-2,782,849.20-1,068,800.80

Finding the Fourth Proportional to 1,857,690.40, 2,782,849.20 and 1,068,800.80

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Solution

The fourth proportional to 1,857,690.40, 2,782,849.20 and 1,068,800.80 is: 1,601,080.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857,690.40 : 2,782,849.20 = 1,068,800.80 : x
  2. Step 2: Convert to fraction form
    1,857,690.40/2,782,849.20 = 1,068,800.80/x
  3. Step 3: Cross multiply
    1,857,690.40x = 2,782,849.20 × 1,068,800.80
  4. Step 4: Simplify right side
    1,857,690.40x = 2,974,311,451,239.36
  5. Step 5: Solve for x
    x = 2,974,311,451,239.36/1,857,690.40
  6. Step 6: Final answer
    x = 1,601,080.27

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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.