Home / 2,018,391.51-2,786,054.90-1,202,851.11

Finding the Fourth Proportional to 2,018,391.51, 2,786,054.90 and 1,202,851.11

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Solution

The fourth proportional to 2,018,391.51, 2,786,054.90 and 1,202,851.11 is: 1,660,336.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018,391.51 : 2,786,054.90 = 1,202,851.11 : x
  2. Step 2: Convert to fraction form
    2,018,391.51/2,786,054.90 = 1,202,851.11/x
  3. Step 3: Cross multiply
    2,018,391.51x = 2,786,054.90 × 1,202,851.11
  4. Step 4: Simplify right side
    2,018,391.51x = 3,351,209,222,971.68
  5. Step 5: Solve for x
    x = 3,351,209,222,971.68/2,018,391.51
  6. Step 6: Final answer
    x = 1,660,336.56

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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.