Finding the Fourth Proportional to 3,276,813.47, 4,523,942.17 and 2,913,233.09
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Solution
The fourth proportional to 3,276,813.47, 4,523,942.17 and 2,913,233.09 is: 4,021,986.04
Step by Step Solution
- Step 1: Write the proportion equation
3,276,813.47 : 4,523,942.17 = 2,913,233.09 : x - Step 2: Convert to fraction form
3,276,813.47/4,523,942.17 = 2,913,233.09/x - Step 3: Cross multiply
3,276,813.47x = 4,523,942.17 × 2,913,233.09 - Step 4: Simplify right side
3,276,813.47x = 13,179,298,007,912.23 - Step 5: Solve for x
x = 13,179,298,007,912.23/3,276,813.47 - Step 6: Final answer
x = 4,021,986.04
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.