Finding the Fourth Proportional to 3,261,028.65, 4,869,582.95 and 2,663,175.75
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Solution
The fourth proportional to 3,261,028.65, 4,869,582.95 and 2,663,175.75 is: 3,976,829.58
Step by Step Solution
- Step 1: Write the proportion equation
3,261,028.65 : 4,869,582.95 = 2,663,175.75 : x - Step 2: Convert to fraction form
3,261,028.65/4,869,582.95 = 2,663,175.75/x - Step 3: Cross multiply
3,261,028.65x = 4,869,582.95 × 2,663,175.75 - Step 4: Simplify right side
3,261,028.65x = 12,968,555,211,737.58 - Step 5: Solve for x
x = 12,968,555,211,737.58/3,261,028.65 - Step 6: Final answer
x = 3,976,829.58
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.