Finding the Fourth Proportional to 1,916,532.98, 2,644,804.74 and 1,057,091.18
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Solution
The fourth proportional to 1,916,532.98, 2,644,804.74 and 1,057,091.18 is: 1,458,779.89
Step by Step Solution
- Step 1: Write the proportion equation
1,916,532.98 : 2,644,804.74 = 1,057,091.18 : x - Step 2: Convert to fraction form
1,916,532.98/2,644,804.74 = 1,057,091.18/x - Step 3: Cross multiply
1,916,532.98x = 2,644,804.74 × 1,057,091.18 - Step 4: Simplify right side
1,916,532.98x = 2,795,799,763,476.19 - Step 5: Solve for x
x = 2,795,799,763,476.19/1,916,532.98 - Step 6: Final answer
x = 1,458,779.89
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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.