Home / 2,561,436.57-3,534,788.11-1,399,901.43

Finding the Fourth Proportional to 2,561,436.57, 3,534,788.11 and 1,399,901.43

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Solution

The fourth proportional to 2,561,436.57, 3,534,788.11 and 1,399,901.43 is: 1,931,867.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,561,436.57 : 3,534,788.11 = 1,399,901.43 : x
  2. Step 2: Convert to fraction form
    2,561,436.57/3,534,788.11 = 1,399,901.43/x
  3. Step 3: Cross multiply
    2,561,436.57x = 3,534,788.11 × 1,399,901.43
  4. Step 4: Simplify right side
    2,561,436.57x = 4,948,354,942,316.51
  5. Step 5: Solve for x
    x = 4,948,354,942,316.51/2,561,436.57
  6. Step 6: Final answer
    x = 1,931,867.06

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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.