Home / 3,919,409.41-5,879,111.94-1,223,965.62

Finding the Fourth Proportional to 3,919,409.41, 5,879,111.94 and 1,223,965.62

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Solution

The fourth proportional to 3,919,409.41, 5,879,111.94 and 1,223,965.62 is: 1,835,947.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919,409.41 : 5,879,111.94 = 1,223,965.62 : x
  2. Step 2: Convert to fraction form
    3,919,409.41/5,879,111.94 = 1,223,965.62/x
  3. Step 3: Cross multiply
    3,919,409.41x = 5,879,111.94 × 1,223,965.62
  4. Step 4: Simplify right side
    3,919,409.41x = 7,195,830,890,691.50
  5. Step 5: Solve for x
    x = 7,195,830,890,691.50/3,919,409.41
  6. Step 6: Final answer
    x = 1,835,947.75

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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.