Finding the Fourth Proportional to 1,491,693.30, 2,239,491.24 and 885,588.12
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Solution
The fourth proportional to 1,491,693.30, 2,239,491.24 and 885,588.12 is: 1,329,540.62
Step by Step Solution
- Step 1: Write the proportion equation
1,491,693.30 : 2,239,491.24 = 885,588.12 : x - Step 2: Convert to fraction form
1,491,693.30/2,239,491.24 = 885,588.12/x - Step 3: Cross multiply
1,491,693.30x = 2,239,491.24 × 885,588.12 - Step 4: Simplify right side
1,491,693.30x = 1,983,266,836,988.07 - Step 5: Solve for x
x = 1,983,266,836,988.07/1,491,693.30 - Step 6: Final answer
x = 1,329,540.62
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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.