Home / 3,082,556.80-4,254,058.56-1,905,417.28

Finding the Fourth Proportional to 3,082,556.80, 4,254,058.56 and 1,905,417.28

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Solution

The fourth proportional to 3,082,556.80, 4,254,058.56 and 1,905,417.28 is: 2,629,556.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,082,556.80 : 4,254,058.56 = 1,905,417.28 : x
  2. Step 2: Convert to fraction form
    3,082,556.80/4,254,058.56 = 1,905,417.28/x
  3. Step 3: Cross multiply
    3,082,556.80x = 4,254,058.56 × 1,905,417.28
  4. Step 4: Simplify right side
    3,082,556.80x = 8,105,756,690,355.92
  5. Step 5: Solve for x
    x = 8,105,756,690,355.92/3,082,556.80
  6. Step 6: Final answer
    x = 2,629,556.31

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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.