Finding the Fourth Proportional to 5,324,561.58, 7,347,894.80 and 2,877,172.53
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Solution
The fourth proportional to 5,324,561.58, 7,347,894.80 and 2,877,172.53 is: 3,970,497.99
Step by Step Solution
- Step 1: Write the proportion equation
5,324,561.58 : 7,347,894.80 = 2,877,172.53 : x - Step 2: Convert to fraction form
5,324,561.58/7,347,894.80 = 2,877,172.53/x - Step 3: Cross multiply
5,324,561.58x = 7,347,894.80 × 2,877,172.53 - Step 4: Simplify right side
5,324,561.58x = 21,141,161,057,503.98 - Step 5: Solve for x
x = 21,141,161,057,503.98/5,324,561.58 - Step 6: Final answer
x = 3,970,497.99
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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.