Home / 1,781,889.06-2,456,628.12-1,415,581.59

Finding the Fourth Proportional to 1,781,889.06, 2,456,628.12 and 1,415,581.59

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Solution

The fourth proportional to 1,781,889.06, 2,456,628.12 and 1,415,581.59 is: 1,951,612.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,889.06 : 2,456,628.12 = 1,415,581.59 : x
  2. Step 2: Convert to fraction form
    1,781,889.06/2,456,628.12 = 1,415,581.59/x
  3. Step 3: Cross multiply
    1,781,889.06x = 2,456,628.12 × 1,415,581.59
  4. Step 4: Simplify right side
    1,781,889.06x = 3,477,557,540,148.31
  5. Step 5: Solve for x
    x = 3,477,557,540,148.31/1,781,889.06
  6. Step 6: Final answer
    x = 1,951,612.82

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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.