Home / 6,981,085.60-9,629,961.75-4,189,494.91

Finding the Fourth Proportional to 6,981,085.60, 9,629,961.75 and 4,189,494.91

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Solution

The fourth proportional to 6,981,085.60, 9,629,961.75 and 4,189,494.91 is: 5,779,140.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,981,085.60 : 9,629,961.75 = 4,189,494.91 : x
  2. Step 2: Convert to fraction form
    6,981,085.60/9,629,961.75 = 4,189,494.91/x
  3. Step 3: Cross multiply
    6,981,085.60x = 9,629,961.75 × 4,189,494.91
  4. Step 4: Simplify right side
    6,981,085.60x = 40,344,675,735,119.70
  5. Step 5: Solve for x
    x = 40,344,675,735,119.70/6,981,085.60
  6. Step 6: Final answer
    x = 5,779,140.67

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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.