Home / 1,977,238.11-2,728,460.07-1,105,922.13

Finding the Fourth Proportional to 1,977,238.11, 2,728,460.07 and 1,105,922.13

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Solution

The fourth proportional to 1,977,238.11, 2,728,460.07 and 1,105,922.13 is: 1,526,100.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,238.11 : 2,728,460.07 = 1,105,922.13 : x
  2. Step 2: Convert to fraction form
    1,977,238.11/2,728,460.07 = 1,105,922.13/x
  3. Step 3: Cross multiply
    1,977,238.11x = 2,728,460.07 × 1,105,922.13
  4. Step 4: Simplify right side
    1,977,238.11x = 3,017,464,372,234.35
  5. Step 5: Solve for x
    x = 3,017,464,372,234.35/1,977,238.11
  6. Step 6: Final answer
    x = 1,526,100.65

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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.