Finding the Fourth Proportional to 2,807,865.99, 3,874,855.32 and 1,518,706.44
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Solution
The fourth proportional to 2,807,865.99, 3,874,855.32 and 1,518,706.44 is: 2,095,815.02
Step by Step Solution
- Step 1: Write the proportion equation
2,807,865.99 : 3,874,855.32 = 1,518,706.44 : x - Step 2: Convert to fraction form
2,807,865.99/3,874,855.32 = 1,518,706.44/x - Step 3: Cross multiply
2,807,865.99x = 3,874,855.32 × 1,518,706.44 - Step 4: Simplify right side
2,807,865.99x = 5,884,767,728,552.26 - Step 5: Solve for x
x = 5,884,767,728,552.26/2,807,865.99 - Step 6: Final answer
x = 2,095,815.02
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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.