Home / 1,781,934.59-2,456,690.78-1,415,627.15

Finding the Fourth Proportional to 1,781,934.59, 2,456,690.78 and 1,415,627.15

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Solution

The fourth proportional to 1,781,934.59, 2,456,690.78 and 1,415,627.15 is: 1,951,675.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,934.59 : 2,456,690.78 = 1,415,627.15 : x
  2. Step 2: Convert to fraction form
    1,781,934.59/2,456,690.78 = 1,415,627.15/x
  3. Step 3: Cross multiply
    1,781,934.59x = 2,456,690.78 × 1,415,627.15
  4. Step 4: Simplify right side
    1,781,934.59x = 3,477,758,158,578.29
  5. Step 5: Solve for x
    x = 3,477,758,158,578.29/1,781,934.59
  6. Step 6: Final answer
    x = 1,951,675.54

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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.