Finding the Fourth Proportional to 5,646,142.44, 7,791,663.60 and 3,067,833.60
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Solution
The fourth proportional to 5,646,142.44, 7,791,663.60 and 3,067,833.60 is: 4,233,603.32
Step by Step Solution
- Step 1: Write the proportion equation
5,646,142.44 : 7,791,663.60 = 3,067,833.60 : x - Step 2: Convert to fraction form
5,646,142.44/7,791,663.60 = 3,067,833.60/x - Step 3: Cross multiply
5,646,142.44x = 7,791,663.60 × 3,067,833.60 - Step 4: Simplify right side
5,646,142.44x = 23,903,527,391,976.96 - Step 5: Solve for x
x = 23,903,527,391,976.96/5,646,142.44 - Step 6: Final answer
x = 4,233,603.32
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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.