Home / 3,941,085.78-5,911,593.03-1,245,411.45

Finding the Fourth Proportional to 3,941,085.78, 5,911,593.03 and 1,245,411.45

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Solution

The fourth proportional to 3,941,085.78, 5,911,593.03 and 1,245,411.45 is: 1,868,105.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,941,085.78 : 5,911,593.03 = 1,245,411.45 : x
  2. Step 2: Convert to fraction form
    3,941,085.78/5,911,593.03 = 1,245,411.45/x
  3. Step 3: Cross multiply
    3,941,085.78x = 5,911,593.03 × 1,245,411.45
  4. Step 4: Simplify right side
    3,941,085.78x = 7,362,365,647,302.19
  5. Step 5: Solve for x
    x = 7,362,365,647,302.19/3,941,085.78
  6. Step 6: Final answer
    x = 1,868,105.91

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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.