Home / 2,317,431.20-3,476,492.40-821,405.60

Finding the Fourth Proportional to 2,317,431.20, 3,476,492.40 and 821,405.60

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Solution

The fourth proportional to 2,317,431.20, 3,476,492.40 and 821,405.60 is: 1,232,230.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,317,431.20 : 3,476,492.40 = 821,405.60 : x
  2. Step 2: Convert to fraction form
    2,317,431.20/3,476,492.40 = 821,405.60/x
  3. Step 3: Cross multiply
    2,317,431.20x = 3,476,492.40 × 821,405.60
  4. Step 4: Simplify right side
    2,317,431.20x = 2,855,610,325,717.44
  5. Step 5: Solve for x
    x = 2,855,610,325,717.44/2,317,431.20
  6. Step 6: Final answer
    x = 1,232,230.90

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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.