Home / 1,857,777.90-2,563,760.07-1,391,806.14

Finding the Fourth Proportional to 1,857,777.90, 2,563,760.07 and 1,391,806.14

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Solution

The fourth proportional to 1,857,777.90, 2,563,760.07 and 1,391,806.14 is: 1,920,712.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857,777.90 : 2,563,760.07 = 1,391,806.14 : x
  2. Step 2: Convert to fraction form
    1,857,777.90/2,563,760.07 = 1,391,806.14/x
  3. Step 3: Cross multiply
    1,857,777.90x = 2,563,760.07 × 1,391,806.14
  4. Step 4: Simplify right side
    1,857,777.90x = 3,568,257,006,912.83
  5. Step 5: Solve for x
    x = 3,568,257,006,912.83/1,857,777.90
  6. Step 6: Final answer
    x = 1,920,712.38

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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.