Home / 2,031,819.39-2,803,999.41-1,215,867.87

Finding the Fourth Proportional to 2,031,819.39, 2,803,999.41 and 1,215,867.87

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Solution

The fourth proportional to 2,031,819.39, 2,803,999.41 and 1,215,867.87 is: 1,677,950.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031,819.39 : 2,803,999.41 = 1,215,867.87 : x
  2. Step 2: Convert to fraction form
    2,031,819.39/2,803,999.41 = 1,215,867.87/x
  3. Step 3: Cross multiply
    2,031,819.39x = 2,803,999.41 × 1,215,867.87
  4. Step 4: Simplify right side
    2,031,819.39x = 3,409,292,790,117.96
  5. Step 5: Solve for x
    x = 3,409,292,790,117.96/2,031,819.39
  6. Step 6: Final answer
    x = 1,677,950.71

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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.