Home / 1,781,894.56-2,456,635.71-1,415,587.09

Finding the Fourth Proportional to 1,781,894.56, 2,456,635.71 and 1,415,587.09

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Solution

The fourth proportional to 1,781,894.56, 2,456,635.71 and 1,415,587.09 is: 1,951,620.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,894.56 : 2,456,635.71 = 1,415,587.09 : x
  2. Step 2: Convert to fraction form
    1,781,894.56/2,456,635.71 = 1,415,587.09/x
  3. Step 3: Cross multiply
    1,781,894.56x = 2,456,635.71 × 1,415,587.09
  4. Step 4: Simplify right side
    1,781,894.56x = 3,477,581,795,908.98
  5. Step 5: Solve for x
    x = 3,477,581,795,908.98/1,781,894.56
  6. Step 6: Final answer
    x = 1,951,620.41

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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.