Finding the Fourth Proportional to 5,154,244.70, 7,112,662.94 and 2,862,553.01
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Solution
The fourth proportional to 5,154,244.70, 7,112,662.94 and 2,862,553.01 is: 3,950,214.99
Step by Step Solution
- Step 1: Write the proportion equation
5,154,244.70 : 7,112,662.94 = 2,862,553.01 : x - Step 2: Convert to fraction form
5,154,244.70/7,112,662.94 = 2,862,553.01/x - Step 3: Cross multiply
5,154,244.70x = 7,112,662.94 × 2,862,553.01 - Step 4: Simplify right side
5,154,244.70x = 20,360,374,693,699.68 - Step 5: Solve for x
x = 20,360,374,693,699.68/5,154,244.70 - Step 6: Final answer
x = 3,950,214.99
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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.