Home / 3,782,788.80-5,674,701.60-1,258,180.80

Finding the Fourth Proportional to 3,782,788.80, 5,674,701.60 and 1,258,180.80

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Solution

The fourth proportional to 3,782,788.80, 5,674,701.60 and 1,258,180.80 is: 1,887,443.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,782,788.80 : 5,674,701.60 = 1,258,180.80 : x
  2. Step 2: Convert to fraction form
    3,782,788.80/5,674,701.60 = 1,258,180.80/x
  3. Step 3: Cross multiply
    3,782,788.80x = 5,674,701.60 × 1,258,180.80
  4. Step 4: Simplify right side
    3,782,788.80x = 7,139,800,598,849.28
  5. Step 5: Solve for x
    x = 7,139,800,598,849.28/3,782,788.80
  6. Step 6: Final answer
    x = 1,887,443.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.