Home / 3,919,397.78-5,879,094.48-1,223,954

Finding the Fourth Proportional to 3,919,397.78, 5,879,094.48 and 1,223,954

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Solution

The fourth proportional to 3,919,397.78, 5,879,094.48 and 1,223,954 is: 1,835,930.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919,397.78 : 5,879,094.48 = 1,223,954 : x
  2. Step 2: Convert to fraction form
    3,919,397.78/5,879,094.48 = 1,223,954/x
  3. Step 3: Cross multiply
    3,919,397.78x = 5,879,094.48 × 1,223,954
  4. Step 4: Simplify right side
    3,919,397.78x = 7,195,741,205,173.92
  5. Step 5: Solve for x
    x = 7,195,741,205,173.92/3,919,397.78
  6. Step 6: Final answer
    x = 1,835,930.32

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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.