Finding the Fourth Proportional to 2,161,884.84, 3,242,960.97 and 722,697.75
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Solution
The fourth proportional to 2,161,884.84, 3,242,960.97 and 722,697.75 is: 1,084,091.32
Step by Step Solution
- Step 1: Write the proportion equation
2,161,884.84 : 3,242,960.97 = 722,697.75 : x - Step 2: Convert to fraction form
2,161,884.84/3,242,960.97 = 722,697.75/x - Step 3: Cross multiply
2,161,884.84x = 3,242,960.97 × 722,697.75 - Step 4: Simplify right side
2,161,884.84x = 2,343,680,596,356.82 - Step 5: Solve for x
x = 2,343,680,596,356.82/2,161,884.84 - Step 6: Final answer
x = 1,084,091.32
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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.