Finding the Fourth Proportional to 2,057,984.19, 3,072,294.32 and 1,921,220.87
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Solution
The fourth proportional to 2,057,984.19, 3,072,294.32 and 1,921,220.87 is: 2,868,125.02
Step by Step Solution
- Step 1: Write the proportion equation
2,057,984.19 : 3,072,294.32 = 1,921,220.87 : x - Step 2: Convert to fraction form
2,057,984.19/3,072,294.32 = 1,921,220.87/x - Step 3: Cross multiply
2,057,984.19x = 3,072,294.32 × 1,921,220.87 - Step 4: Simplify right side
2,057,984.19x = 5,902,555,941,398.88 - Step 5: Solve for x
x = 5,902,555,941,398.88/2,057,984.19 - Step 6: Final answer
x = 2,868,125.02
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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.