Home / 1,906,333.83-2,630,083.01-1,218,408.39

Finding the Fourth Proportional to 1,906,333.83, 2,630,083.01 and 1,218,408.39

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Solution

The fourth proportional to 1,906,333.83, 2,630,083.01 and 1,218,408.39 is: 1,680,983.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,906,333.83 : 2,630,083.01 = 1,218,408.39 : x
  2. Step 2: Convert to fraction form
    1,906,333.83/2,630,083.01 = 1,218,408.39/x
  3. Step 3: Cross multiply
    1,906,333.83x = 2,630,083.01 × 1,218,408.39
  4. Step 4: Simplify right side
    1,906,333.83x = 3,204,515,199,688.41
  5. Step 5: Solve for x
    x = 3,204,515,199,688.41/1,906,333.83
  6. Step 6: Final answer
    x = 1,680,983.23

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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.