Home / 1,859,906.31-2,566,010.39-1,215,698.19

Finding the Fourth Proportional to 1,859,906.31, 2,566,010.39 and 1,215,698.19

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Solution

The fourth proportional to 1,859,906.31, 2,566,010.39 and 1,215,698.19 is: 1,677,231.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859,906.31 : 2,566,010.39 = 1,215,698.19 : x
  2. Step 2: Convert to fraction form
    1,859,906.31/2,566,010.39 = 1,215,698.19/x
  3. Step 3: Cross multiply
    1,859,906.31x = 2,566,010.39 × 1,215,698.19
  4. Step 4: Simplify right side
    1,859,906.31x = 3,119,494,180,565.70
  5. Step 5: Solve for x
    x = 3,119,494,180,565.70/1,859,906.31
  6. Step 6: Final answer
    x = 1,677,231.89

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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.