Finding the Fourth Proportional to 1,804,838.64, 2,490,545.52 and 988,912.68
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Solution
The fourth proportional to 1,804,838.64, 2,490,545.52 and 988,912.68 is: 1,364,627.28
Step by Step Solution
- Step 1: Write the proportion equation
1,804,838.64 : 2,490,545.52 = 988,912.68 : x - Step 2: Convert to fraction form
1,804,838.64/2,490,545.52 = 988,912.68/x - Step 3: Cross multiply
1,804,838.64x = 2,490,545.52 × 988,912.68 - Step 4: Simplify right side
1,804,838.64x = 2,462,932,044,845.19 - Step 5: Solve for x
x = 2,462,932,044,845.19/1,804,838.64 - Step 6: Final answer
x = 1,364,627.28
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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.