Finding the Fourth Proportional to 3,696,805.45, 5,545,737.15 and 1,138,236.88
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Solution
The fourth proportional to 3,696,805.45, 5,545,737.15 and 1,138,236.88 is: 1,707,518.19
Step by Step Solution
- Step 1: Write the proportion equation
3,696,805.45 : 5,545,737.15 = 1,138,236.88 : x - Step 2: Convert to fraction form
3,696,805.45/5,545,737.15 = 1,138,236.88/x - Step 3: Cross multiply
3,696,805.45x = 5,545,737.15 × 1,138,236.88 - Step 4: Simplify right side
3,696,805.45x = 6,312,362,550,916.09 - Step 5: Solve for x
x = 6,312,362,550,916.09/3,696,805.45 - Step 6: Final answer
x = 1,707,518.19
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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.