Finding the Fourth Proportional to 1,661,458.67, 2,293,239.53 and 1,082,125.40
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Solution
The fourth proportional to 1,661,458.67, 2,293,239.53 and 1,082,125.40 is: 1,493,610.87
Step by Step Solution
- Step 1: Write the proportion equation
1,661,458.67 : 2,293,239.53 = 1,082,125.40 : x - Step 2: Convert to fraction form
1,661,458.67/2,293,239.53 = 1,082,125.40/x - Step 3: Cross multiply
1,661,458.67x = 2,293,239.53 × 1,082,125.40 - Step 4: Simplify right side
1,661,458.67x = 2,481,572,726,820.24 - Step 5: Solve for x
x = 2,481,572,726,820.24/1,661,458.67 - Step 6: Final answer
x = 1,493,610.87
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.