Finding the Fourth Proportional to 5,615,818.85, 7,693,635.02 and 5,405,820.08
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Solution
The fourth proportional to 5,615,818.85, 7,693,635.02 and 5,405,820.08 is: 7,405,938.09
Step by Step Solution
- Step 1: Write the proportion equation
5,615,818.85 : 7,693,635.02 = 5,405,820.08 : x - Step 2: Convert to fraction form
5,615,818.85/7,693,635.02 = 5,405,820.08/x - Step 3: Cross multiply
5,615,818.85x = 7,693,635.02 × 5,405,820.08 - Step 4: Simplify right side
5,615,818.85x = 41,590,406,681,059.88 - Step 5: Solve for x
x = 41,590,406,681,059.88/5,615,818.85 - Step 6: Final answer
x = 7,405,938.09
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.