Finding the Fourth Proportional to 6,902,611.68, 9,528,104.88 and 4,186,299.36
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Solution
The fourth proportional to 6,902,611.68, 9,528,104.88 and 4,186,299.36 is: 5,778,609.78
Step by Step Solution
- Step 1: Write the proportion equation
6,902,611.68 : 9,528,104.88 = 4,186,299.36 : x - Step 2: Convert to fraction form
6,902,611.68/9,528,104.88 = 4,186,299.36/x - Step 3: Cross multiply
6,902,611.68x = 9,528,104.88 × 4,186,299.36 - Step 4: Simplify right side
6,902,611.68x = 39,887,499,361,156.88 - Step 5: Solve for x
x = 39,887,499,361,156.88/6,902,611.68 - Step 6: Final answer
x = 5,778,609.78
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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.