Finding the Fourth Proportional to 5,247,992.95, 7,242,266.49 and 2,925,035.26
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Solution
The fourth proportional to 5,247,992.95, 7,242,266.49 and 2,925,035.26 is: 4,036,568.85
Step by Step Solution
- Step 1: Write the proportion equation
5,247,992.95 : 7,242,266.49 = 2,925,035.26 : x - Step 2: Convert to fraction form
5,247,992.95/7,242,266.49 = 2,925,035.26/x - Step 3: Cross multiply
5,247,992.95x = 7,242,266.49 × 2,925,035.26 - Step 4: Simplify right side
5,247,992.95x = 21,183,884,845,566.44 - Step 5: Solve for x
x = 21,183,884,845,566.44/5,247,992.95 - Step 6: Final answer
x = 4,036,568.85
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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.