Finding the Fourth Proportional to 5,615,115.26, 7,748,864.33 and 3,036,795.98
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Solution
The fourth proportional to 5,615,115.26, 7,748,864.33 and 3,036,795.98 is: 4,190,781.30
Step by Step Solution
- Step 1: Write the proportion equation
5,615,115.26 : 7,748,864.33 = 3,036,795.98 : x - Step 2: Convert to fraction form
5,615,115.26/7,748,864.33 = 3,036,795.98/x - Step 3: Cross multiply
5,615,115.26x = 7,748,864.33 × 3,036,795.98 - Step 4: Simplify right side
5,615,115.26x = 23,531,719,992,981.09 - Step 5: Solve for x
x = 23,531,719,992,981.09/5,615,115.26 - Step 6: Final answer
x = 4,190,781.30
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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.