Finding the Fourth Proportional to 7,792,724.70, 11,689,087.05 and 2,743,379.10
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Solution
The fourth proportional to 7,792,724.70, 11,689,087.05 and 2,743,379.10 is: 4,115,068.65
Step by Step Solution
- Step 1: Write the proportion equation
7,792,724.70 : 11,689,087.05 = 2,743,379.10 : x - Step 2: Convert to fraction form
7,792,724.70/11,689,087.05 = 2,743,379.10/x - Step 3: Cross multiply
7,792,724.70x = 11,689,087.05 × 2,743,379.10 - Step 4: Simplify right side
7,792,724.70x = 32,067,597,111,050.66 - Step 5: Solve for x
x = 32,067,597,111,050.66/7,792,724.70 - Step 6: Final answer
x = 4,115,068.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.