Finding the Fourth Proportional to 4,804,889.16, 6,629,721.54 and 2,845,382.78
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Solution
The fourth proportional to 4,804,889.16, 6,629,721.54 and 2,845,382.78 is: 3,926,020.95
Step by Step Solution
- Step 1: Write the proportion equation
4,804,889.16 : 6,629,721.54 = 2,845,382.78 : x - Step 2: Convert to fraction form
4,804,889.16/6,629,721.54 = 2,845,382.78/x - Step 3: Cross multiply
4,804,889.16x = 6,629,721.54 × 2,845,382.78 - Step 4: Simplify right side
4,804,889.16x = 18,864,095,512,015.20 - Step 5: Solve for x
x = 18,864,095,512,015.20/4,804,889.16 - Step 6: Final answer
x = 3,926,020.95
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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.