Finding the Fourth Proportional to 4,921,781.44, 6,792,049.20 and 2,746,193.44
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Solution
The fourth proportional to 4,921,781.44, 6,792,049.20 and 2,746,193.44 is: 3,789,741.82
Step by Step Solution
- Step 1: Write the proportion equation
4,921,781.44 : 6,792,049.20 = 2,746,193.44 : x - Step 2: Convert to fraction form
4,921,781.44/6,792,049.20 = 2,746,193.44/x - Step 3: Cross multiply
4,921,781.44x = 6,792,049.20 × 2,746,193.44 - Step 4: Simplify right side
4,921,781.44x = 18,652,280,957,197.25 - Step 5: Solve for x
x = 18,652,280,957,197.25/4,921,781.44 - Step 6: Final answer
x = 3,789,741.82
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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.