Finding the Fourth Proportional to 4,469,039.78, 6,703,621.95 and 1,274,165.96
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Solution
The fourth proportional to 4,469,039.78, 6,703,621.95 and 1,274,165.96 is: 1,911,266.69
Step by Step Solution
- Step 1: Write the proportion equation
4,469,039.78 : 6,703,621.95 = 1,274,165.96 : x - Step 2: Convert to fraction form
4,469,039.78/6,703,621.95 = 1,274,165.96/x - Step 3: Cross multiply
4,469,039.78x = 6,703,621.95 × 1,274,165.96 - Step 4: Simplify right side
4,469,039.78x = 8,541,526,863,880.71 - Step 5: Solve for x
x = 8,541,526,863,880.71/4,469,039.78 - Step 6: Final answer
x = 1,911,266.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.