Finding the Fourth Proportional to 5,121,696.42, 7,680,270.15 and 2,725,036.02
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Solution
The fourth proportional to 5,121,696.42, 7,680,270.15 and 2,725,036.02 is: 4,086,343.88
Step by Step Solution
- Step 1: Write the proportion equation
5,121,696.42 : 7,680,270.15 = 2,725,036.02 : x - Step 2: Convert to fraction form
5,121,696.42/7,680,270.15 = 2,725,036.02/x - Step 3: Cross multiply
5,121,696.42x = 7,680,270.15 × 2,725,036.02 - Step 4: Simplify right side
5,121,696.42x = 20,929,012,802,080.80 - Step 5: Solve for x
x = 20,929,012,802,080.80/5,121,696.42 - Step 6: Final answer
x = 4,086,343.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.