Home / 1,910,489.12-2,636,379.69-1,051,027.28

Finding the Fourth Proportional to 1,910,489.12, 2,636,379.69 and 1,051,027.28

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Solution

The fourth proportional to 1,910,489.12, 2,636,379.69 and 1,051,027.28 is: 1,450,365.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910,489.12 : 2,636,379.69 = 1,051,027.28 : x
  2. Step 2: Convert to fraction form
    1,910,489.12/2,636,379.69 = 1,051,027.28/x
  3. Step 3: Cross multiply
    1,910,489.12x = 2,636,379.69 × 1,051,027.28
  4. Step 4: Simplify right side
    1,910,489.12x = 2,770,906,974,627.94
  5. Step 5: Solve for x
    x = 2,770,906,974,627.94/1,910,489.12
  6. Step 6: Final answer
    x = 1,450,365.22

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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.