Finding the Fourth Proportional to 1,677,511.68, 2,301,945.60 and 1,525,447.68
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Solution
The fourth proportional to 1,677,511.68, 2,301,945.60 and 1,525,447.68 is: 2,093,277.57
Step by Step Solution
- Step 1: Write the proportion equation
1,677,511.68 : 2,301,945.60 = 1,525,447.68 : x - Step 2: Convert to fraction form
1,677,511.68/2,301,945.60 = 1,525,447.68/x - Step 3: Cross multiply
1,677,511.68x = 2,301,945.60 × 1,525,447.68 - Step 4: Simplify right side
1,677,511.68x = 3,511,497,575,006.21 - Step 5: Solve for x
x = 3,511,497,575,006.21/1,677,511.68 - Step 6: Final answer
x = 2,093,277.57
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.