Home / 1,954,809.40-2,932,214.10-1,317,080.20

Finding the Fourth Proportional to 1,954,809.40, 2,932,214.10 and 1,317,080.20

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Solution

The fourth proportional to 1,954,809.40, 2,932,214.10 and 1,317,080.20 is: 1,975,620.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954,809.40 : 2,932,214.10 = 1,317,080.20 : x
  2. Step 2: Convert to fraction form
    1,954,809.40/2,932,214.10 = 1,317,080.20/x
  3. Step 3: Cross multiply
    1,954,809.40x = 2,932,214.10 × 1,317,080.20
  4. Step 4: Simplify right side
    1,954,809.40x = 3,861,961,133,270.82
  5. Step 5: Solve for x
    x = 3,861,961,133,270.82/1,954,809.40
  6. Step 6: Final answer
    x = 1,975,620.30

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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.