Finding the Fourth Proportional to 5,419,583.87, 7,478,618.96 and 2,971,802.75
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Solution
The fourth proportional to 5,419,583.87, 7,478,618.96 and 2,971,802.75 is: 4,100,864.74
Step by Step Solution
- Step 1: Write the proportion equation
5,419,583.87 : 7,478,618.96 = 2,971,802.75 : x - Step 2: Convert to fraction form
5,419,583.87/7,478,618.96 = 2,971,802.75/x - Step 3: Cross multiply
5,419,583.87x = 7,478,618.96 × 2,971,802.75 - Step 4: Simplify right side
5,419,583.87x = 22,224,980,361,566.55 - Step 5: Solve for x
x = 22,224,980,361,566.55/5,419,583.87 - Step 6: Final answer
x = 4,100,864.74
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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.