Home / 2,109,633.89-2,911,234.77-1,238,454.59

Finding the Fourth Proportional to 2,109,633.89, 2,911,234.77 and 1,238,454.59

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Solution

The fourth proportional to 2,109,633.89, 2,911,234.77 and 1,238,454.59 is: 1,709,032.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,633.89 : 2,911,234.77 = 1,238,454.59 : x
  2. Step 2: Convert to fraction form
    2,109,633.89/2,911,234.77 = 1,238,454.59/x
  3. Step 3: Cross multiply
    2,109,633.89x = 2,911,234.77 × 1,238,454.59
  4. Step 4: Simplify right side
    2,109,633.89x = 3,605,432,048,917.92
  5. Step 5: Solve for x
    x = 3,605,432,048,917.92/2,109,633.89
  6. Step 6: Final answer
    x = 1,709,032.11

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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.