Home / 2,538,509.29-3,503,233.82-1,392,623.35

Finding the Fourth Proportional to 2,538,509.29, 3,503,233.82 and 1,392,623.35

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Solution

The fourth proportional to 2,538,509.29, 3,503,233.82 and 1,392,623.35 is: 1,921,870.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,538,509.29 : 3,503,233.82 = 1,392,623.35 : x
  2. Step 2: Convert to fraction form
    2,538,509.29/3,503,233.82 = 1,392,623.35/x
  3. Step 3: Cross multiply
    2,538,509.29x = 3,503,233.82 × 1,392,623.35
  4. Step 4: Simplify right side
    2,538,509.29x = 4,878,685,218,241.70
  5. Step 5: Solve for x
    x = 4,878,685,218,241.70/2,538,509.29
  6. Step 6: Final answer
    x = 1,921,870.15

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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.