Home / 2,492,357.80-3,738,536.70-809,631.40

Finding the Fourth Proportional to 2,492,357.80, 3,738,536.70 and 809,631.40

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Solution

The fourth proportional to 2,492,357.80, 3,738,536.70 and 809,631.40 is: 1,214,447.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,492,357.80 : 3,738,536.70 = 809,631.40 : x
  2. Step 2: Convert to fraction form
    2,492,357.80/3,738,536.70 = 809,631.40/x
  3. Step 3: Cross multiply
    2,492,357.80x = 3,738,536.70 × 809,631.40
  4. Step 4: Simplify right side
    2,492,357.80x = 3,026,836,702,372.38
  5. Step 5: Solve for x
    x = 3,026,836,702,372.38/2,492,357.80
  6. Step 6: Final answer
    x = 1,214,447.10

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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.