Finding the Fourth Proportional to 6,792,605.75, 9,374,040.68 and 3,892,557.08
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Solution
The fourth proportional to 6,792,605.75, 9,374,040.68 and 3,892,557.08 is: 5,371,869.02
Step by Step Solution
- Step 1: Write the proportion equation
6,792,605.75 : 9,374,040.68 = 3,892,557.08 : x - Step 2: Convert to fraction form
6,792,605.75/9,374,040.68 = 3,892,557.08/x - Step 3: Cross multiply
6,792,605.75x = 9,374,040.68 × 3,892,557.08 - Step 4: Simplify right side
6,792,605.75x = 36,488,988,350,809.03 - Step 5: Solve for x
x = 36,488,988,350,809.03/6,792,605.75 - Step 6: Final answer
x = 5,371,869.02
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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.