Home / 2,838,876.30-3,917,125.20-1,615,110.39

Finding the Fourth Proportional to 2,838,876.30, 3,917,125.20 and 1,615,110.39

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Solution

The fourth proportional to 2,838,876.30, 3,917,125.20 and 1,615,110.39 is: 2,228,554.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,838,876.30 : 3,917,125.20 = 1,615,110.39 : x
  2. Step 2: Convert to fraction form
    2,838,876.30/3,917,125.20 = 1,615,110.39/x
  3. Step 3: Cross multiply
    2,838,876.30x = 3,917,125.20 × 1,615,110.39
  4. Step 4: Simplify right side
    2,838,876.30x = 6,326,589,609,450.83
  5. Step 5: Solve for x
    x = 6,326,589,609,450.83/2,838,876.30
  6. Step 6: Final answer
    x = 2,228,554.17

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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.