Home / 1,781,486.07-2,455,153.78-1,265,262.54

Finding the Fourth Proportional to 1,781,486.07, 2,455,153.78 and 1,265,262.54

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Solution

The fourth proportional to 1,781,486.07, 2,455,153.78 and 1,265,262.54 is: 1,743,720.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,486.07 : 2,455,153.78 = 1,265,262.54 : x
  2. Step 2: Convert to fraction form
    1,781,486.07/2,455,153.78 = 1,265,262.54/x
  3. Step 3: Cross multiply
    1,781,486.07x = 2,455,153.78 × 1,265,262.54
  4. Step 4: Simplify right side
    1,781,486.07x = 3,106,414,107,773.40
  5. Step 5: Solve for x
    x = 3,106,414,107,773.40/1,781,486.07
  6. Step 6: Final answer
    x = 1,743,720.68

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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.