Home / 2,425,605.40-3,638,418.90-628,361.20

Finding the Fourth Proportional to 2,425,605.40, 3,638,418.90 and 628,361.20

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Solution

The fourth proportional to 2,425,605.40, 3,638,418.90 and 628,361.20 is: 942,544.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,425,605.40 : 3,638,418.90 = 628,361.20 : x
  2. Step 2: Convert to fraction form
    2,425,605.40/3,638,418.90 = 628,361.20/x
  3. Step 3: Cross multiply
    2,425,605.40x = 3,638,418.90 × 628,361.20
  4. Step 4: Simplify right side
    2,425,605.40x = 2,286,241,266,106.68
  5. Step 5: Solve for x
    x = 2,286,241,266,106.68/2,425,605.40
  6. Step 6: Final answer
    x = 942,544.60

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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.