Home / 3,908,933.60-5,861,650.80-1,777,920.80

Finding the Fourth Proportional to 3,908,933.60, 5,861,650.80 and 1,777,920.80

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Solution

The fourth proportional to 3,908,933.60, 5,861,650.80 and 1,777,920.80 is: 2,666,085.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,908,933.60 : 5,861,650.80 = 1,777,920.80 : x
  2. Step 2: Convert to fraction form
    3,908,933.60/5,861,650.80 = 1,777,920.80/x
  3. Step 3: Cross multiply
    3,908,933.60x = 5,861,650.80 × 1,777,920.80
  4. Step 4: Simplify right side
    3,908,933.60x = 10,421,550,879,656.64
  5. Step 5: Solve for x
    x = 10,421,550,879,656.64/3,908,933.60
  6. Step 6: Final answer
    x = 2,666,085.42

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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.