Finding the Fourth Proportional to 5,731,718.84, 7,909,771.72 and 3,153,344.26
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Solution
The fourth proportional to 5,731,718.84, 7,909,771.72 and 3,153,344.26 is: 4,351,614.93
Step by Step Solution
- Step 1: Write the proportion equation
5,731,718.84 : 7,909,771.72 = 3,153,344.26 : x - Step 2: Convert to fraction form
5,731,718.84/7,909,771.72 = 3,153,344.26/x - Step 3: Cross multiply
5,731,718.84x = 7,909,771.72 × 3,153,344.26 - Step 4: Simplify right side
5,731,718.84x = 24,942,233,251,172.32 - Step 5: Solve for x
x = 24,942,233,251,172.32/5,731,718.84 - Step 6: Final answer
x = 4,351,614.93
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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.