Finding the Fourth Proportional to 4,247,511.88, 6,371,082.42 and 1,368,814.72
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Solution
The fourth proportional to 4,247,511.88, 6,371,082.42 and 1,368,814.72 is: 2,053,162.33
Step by Step Solution
- Step 1: Write the proportion equation
4,247,511.88 : 6,371,082.42 = 1,368,814.72 : x - Step 2: Convert to fraction form
4,247,511.88/6,371,082.42 = 1,368,814.72/x - Step 3: Cross multiply
4,247,511.88x = 6,371,082.42 × 1,368,814.72 - Step 4: Simplify right side
4,247,511.88x = 8,720,831,398,829.22 - Step 5: Solve for x
x = 8,720,831,398,829.22/4,247,511.88 - Step 6: Final answer
x = 2,053,162.33
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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.