Home / 2,075,424.80-3,113,137.20-729,107.60

Finding the Fourth Proportional to 2,075,424.80, 3,113,137.20 and 729,107.60

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Solution

The fourth proportional to 2,075,424.80, 3,113,137.20 and 729,107.60 is: 1,093,661.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075,424.80 : 3,113,137.20 = 729,107.60 : x
  2. Step 2: Convert to fraction form
    2,075,424.80/3,113,137.20 = 729,107.60/x
  3. Step 3: Cross multiply
    2,075,424.80x = 3,113,137.20 × 729,107.60
  4. Step 4: Simplify right side
    2,075,424.80x = 2,269,811,992,362.72
  5. Step 5: Solve for x
    x = 2,269,811,992,362.72/2,075,424.80
  6. Step 6: Final answer
    x = 1,093,661.40

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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.