Home / 1,863,021.80-2,794,532.70-1,296,151.40

Finding the Fourth Proportional to 1,863,021.80, 2,794,532.70 and 1,296,151.40

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Solution

The fourth proportional to 1,863,021.80, 2,794,532.70 and 1,296,151.40 is: 1,944,227.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863,021.80 : 2,794,532.70 = 1,296,151.40 : x
  2. Step 2: Convert to fraction form
    1,863,021.80/2,794,532.70 = 1,296,151.40/x
  3. Step 3: Cross multiply
    1,863,021.80x = 2,794,532.70 × 1,296,151.40
  4. Step 4: Simplify right side
    1,863,021.80x = 3,622,137,471,450.78
  5. Step 5: Solve for x
    x = 3,622,137,471,450.78/1,863,021.80
  6. Step 6: Final answer
    x = 1,944,227.10

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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.