Finding the Fourth Proportional to 3,049,090.49, 4,207,716.11 and 1,672,406.80
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Solution
The fourth proportional to 3,049,090.49, 4,207,716.11 and 1,672,406.80 is: 2,307,905.60
Step by Step Solution
- Step 1: Write the proportion equation
3,049,090.49 : 4,207,716.11 = 1,672,406.80 : x - Step 2: Convert to fraction form
3,049,090.49/4,207,716.11 = 1,672,406.80/x - Step 3: Cross multiply
3,049,090.49x = 4,207,716.11 × 1,672,406.80 - Step 4: Simplify right side
3,049,090.49x = 7,037,013,028,495.28 - Step 5: Solve for x
x = 7,037,013,028,495.28/3,049,090.49 - Step 6: Final answer
x = 2,307,905.60
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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.