Finding the Fourth Proportional to 5,615,114.27, 7,748,862.84 and 3,036,795.03
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Solution
The fourth proportional to 5,615,114.27, 7,748,862.84 and 3,036,795.03 is: 4,190,779.93
Step by Step Solution
- Step 1: Write the proportion equation
5,615,114.27 : 7,748,862.84 = 3,036,795.03 : x - Step 2: Convert to fraction form
5,615,114.27/7,748,862.84 = 3,036,795.03/x - Step 3: Cross multiply
5,615,114.27x = 7,748,862.84 × 3,036,795.03 - Step 4: Simplify right side
5,615,114.27x = 23,531,708,160,663.68 - Step 5: Solve for x
x = 23,531,708,160,663.68/5,615,114.27 - Step 6: Final answer
x = 4,190,779.93
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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.