Finding the Fourth Proportional to 3,231,133.03, 4,847,530.15 and 1,209,405.99
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Solution
The fourth proportional to 3,231,133.03, 4,847,530.15 and 1,209,405.99 is: 1,814,419.88
Step by Step Solution
- Step 1: Write the proportion equation
3,231,133.03 : 4,847,530.15 = 1,209,405.99 : x - Step 2: Convert to fraction form
3,231,133.03/4,847,530.15 = 1,209,405.99/x - Step 3: Cross multiply
3,231,133.03x = 4,847,530.15 × 1,209,405.99 - Step 4: Simplify right side
3,231,133.03x = 5,862,631,992,538.24 - Step 5: Solve for x
x = 5,862,631,992,538.24/3,231,133.03 - Step 6: Final answer
x = 1,814,419.88
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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.