Home / 1,786,977.45-2,466,047.97-971,181.09

Finding the Fourth Proportional to 1,786,977.45, 2,466,047.97 and 971,181.09

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Solution

The fourth proportional to 1,786,977.45, 2,466,047.97 and 971,181.09 is: 1,340,240.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,977.45 : 2,466,047.97 = 971,181.09 : x
  2. Step 2: Convert to fraction form
    1,786,977.45/2,466,047.97 = 971,181.09/x
  3. Step 3: Cross multiply
    1,786,977.45x = 2,466,047.97 × 971,181.09
  4. Step 4: Simplify right side
    1,786,977.45x = 2,394,979,155,496.89
  5. Step 5: Solve for x
    x = 2,394,979,155,496.89/1,786,977.45
  6. Step 6: Final answer
    x = 1,340,240.28

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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.