Finding the Fourth Proportional to 3,590,386.43, 4,957,992.99 and 2,672,280.18
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Solution
The fourth proportional to 3,590,386.43, 4,957,992.99 and 2,672,280.18 is: 3,690,172.82
Step by Step Solution
- Step 1: Write the proportion equation
3,590,386.43 : 4,957,992.99 = 2,672,280.18 : x - Step 2: Convert to fraction form
3,590,386.43/4,957,992.99 = 2,672,280.18/x - Step 3: Cross multiply
3,590,386.43x = 4,957,992.99 × 2,672,280.18 - Step 4: Simplify right side
3,590,386.43x = 13,249,146,399,755.94 - Step 5: Solve for x
x = 13,249,146,399,755.94/3,590,386.43 - Step 6: Final answer
x = 3,690,172.82
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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.