Home / 2,418,687.60-3,628,415.40-821,401.20

Finding the Fourth Proportional to 2,418,687.60, 3,628,415.40 and 821,401.20

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Solution

The fourth proportional to 2,418,687.60, 3,628,415.40 and 821,401.20 is: 1,232,232.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,418,687.60 : 3,628,415.40 = 821,401.20 : x
  2. Step 2: Convert to fraction form
    2,418,687.60/3,628,415.40 = 821,401.20/x
  3. Step 3: Cross multiply
    2,418,687.60x = 3,628,415.40 × 821,401.20
  4. Step 4: Simplify right side
    2,418,687.60x = 2,980,384,763,658.48
  5. Step 5: Solve for x
    x = 2,980,384,763,658.48/2,418,687.60
  6. Step 6: Final answer
    x = 1,232,232.21

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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.