Finding the Fourth Proportional to 7,792,600.80, 11,690,744.40 and 2,473,816.80
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Solution
The fourth proportional to 7,792,600.80, 11,690,744.40 and 2,473,816.80 is: 3,711,310.34
Step by Step Solution
- Step 1: Write the proportion equation
7,792,600.80 : 11,690,744.40 = 2,473,816.80 : x - Step 2: Convert to fraction form
7,792,600.80/11,690,744.40 = 2,473,816.80/x - Step 3: Cross multiply
7,792,600.80x = 11,690,744.40 × 2,473,816.80 - Step 4: Simplify right side
7,792,600.80x = 28,920,759,901,225.92 - Step 5: Solve for x
x = 28,920,759,901,225.92/7,792,600.80 - Step 6: Final answer
x = 3,711,310.34
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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.