Finding the Fourth Proportional to 5,654,745.27, 8,418,157.61 and 5,621,114.75
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Solution
The fourth proportional to 5,654,745.27, 8,418,157.61 and 5,621,114.75 is: 8,368,092.21
Step by Step Solution
- Step 1: Write the proportion equation
5,654,745.27 : 8,418,157.61 = 5,621,114.75 : x - Step 2: Convert to fraction form
5,654,745.27/8,418,157.61 = 5,621,114.75/x - Step 3: Cross multiply
5,654,745.27x = 8,418,157.61 × 5,621,114.75 - Step 4: Simplify right side
5,654,745.27x = 47,319,429,839,199.39 - Step 5: Solve for x
x = 47,319,429,839,199.39/5,654,745.27 - Step 6: Final answer
x = 8,368,092.21
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.