Finding the Fourth Proportional to 1,608,696.24, 2,218,980.60 and 988,229.76
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Solution
The fourth proportional to 1,608,696.24, 2,218,980.60 and 988,229.76 is: 1,363,130.35
Step by Step Solution
- Step 1: Write the proportion equation
1,608,696.24 : 2,218,980.60 = 988,229.76 : x - Step 2: Convert to fraction form
1,608,696.24/2,218,980.60 = 988,229.76/x - Step 3: Cross multiply
1,608,696.24x = 2,218,980.60 × 988,229.76 - Step 4: Simplify right side
1,608,696.24x = 2,192,862,665,782.66 - Step 5: Solve for x
x = 2,192,862,665,782.66/1,608,696.24 - Step 6: Final answer
x = 1,363,130.35
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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.