Home / 2,105,238.35-2,905,226.85-1,138,366.33

Finding the Fourth Proportional to 2,105,238.35, 2,905,226.85 and 1,138,366.33

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Solution

The fourth proportional to 2,105,238.35, 2,905,226.85 and 1,138,366.33 is: 1,570,944.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,105,238.35 : 2,905,226.85 = 1,138,366.33 : x
  2. Step 2: Convert to fraction form
    2,105,238.35/2,905,226.85 = 1,138,366.33/x
  3. Step 3: Cross multiply
    2,105,238.35x = 2,905,226.85 × 1,138,366.33
  4. Step 4: Simplify right side
    2,105,238.35x = 3,307,212,427,051.96
  5. Step 5: Solve for x
    x = 3,307,212,427,051.96/2,105,238.35
  6. Step 6: Final answer
    x = 1,570,944.41

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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.