Home / 1,857,362.75-2,786,044.72-1,226,128.94

Finding the Fourth Proportional to 1,857,362.75, 2,786,044.72 and 1,226,128.94

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Solution

The fourth proportional to 1,857,362.75, 2,786,044.72 and 1,226,128.94 is: 1,839,193.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857,362.75 : 2,786,044.72 = 1,226,128.94 : x
  2. Step 2: Convert to fraction form
    1,857,362.75/2,786,044.72 = 1,226,128.94/x
  3. Step 3: Cross multiply
    1,857,362.75x = 2,786,044.72 × 1,226,128.94
  4. Step 4: Simplify right side
    1,857,362.75x = 3,416,050,045,395.97
  5. Step 5: Solve for x
    x = 3,416,050,045,395.97/1,857,362.75
  6. Step 6: Final answer
    x = 1,839,193.80

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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.