Finding the Fourth Proportional to 4,758,638.40, 6,541,669.80 and 4,093,921.80
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Solution
The fourth proportional to 4,758,638.40, 6,541,669.80 and 4,093,921.80 is: 5,627,888.14
Step by Step Solution
- Step 1: Write the proportion equation
4,758,638.40 : 6,541,669.80 = 4,093,921.80 : x - Step 2: Convert to fraction form
4,758,638.40/6,541,669.80 = 4,093,921.80/x - Step 3: Cross multiply
4,758,638.40x = 6,541,669.80 × 4,093,921.80 - Step 4: Simplify right side
4,758,638.40x = 26,781,084,602,621.64 - Step 5: Solve for x
x = 26,781,084,602,621.64/4,758,638.40 - Step 6: Final answer
x = 5,627,888.14
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.