Home / 1,515,519.21-2,271,310.50-615,914.10

Finding the Fourth Proportional to 1,515,519.21, 2,271,310.50 and 615,914.10

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Solution

The fourth proportional to 1,515,519.21, 2,271,310.50 and 615,914.10 is: 923,071.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,519.21 : 2,271,310.50 = 615,914.10 : x
  2. Step 2: Convert to fraction form
    1,515,519.21/2,271,310.50 = 615,914.10/x
  3. Step 3: Cross multiply
    1,515,519.21x = 2,271,310.50 × 615,914.10
  4. Step 4: Simplify right side
    1,515,519.21x = 1,398,932,162,428.05
  5. Step 5: Solve for x
    x = 1,398,932,162,428.05/1,515,519.21
  6. Step 6: Final answer
    x = 923,071.22

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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.