Finding the Fourth Proportional to 7,118,898.97, 10,678,268.26 and 1,727,608.63
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Solution
The fourth proportional to 7,118,898.97, 10,678,268.26 and 1,727,608.63 is: 2,591,393.48
Step by Step Solution
- Step 1: Write the proportion equation
7,118,898.97 : 10,678,268.26 = 1,727,608.63 : x - Step 2: Convert to fraction form
7,118,898.97/10,678,268.26 = 1,727,608.63/x - Step 3: Cross multiply
7,118,898.97x = 10,678,268.26 × 1,727,608.63 - Step 4: Simplify right side
7,118,898.97x = 18,447,868,399,431.08 - Step 5: Solve for x
x = 18,447,868,399,431.08/7,118,898.97 - Step 6: Final answer
x = 2,591,393.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.