Finding the Fourth Proportional to 3,042,490.08, 4,198,476.48 and 1,665,569.94
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Solution
The fourth proportional to 3,042,490.08, 4,198,476.48 and 1,665,569.94 is: 2,298,399.02
Step by Step Solution
- Step 1: Write the proportion equation
3,042,490.08 : 4,198,476.48 = 1,665,569.94 : x - Step 2: Convert to fraction form
3,042,490.08/4,198,476.48 = 1,665,569.94/x - Step 3: Cross multiply
3,042,490.08x = 4,198,476.48 × 1,665,569.94 - Step 4: Simplify right side
3,042,490.08x = 6,992,856,218,885.01 - Step 5: Solve for x
x = 6,992,856,218,885.01/3,042,490.08 - Step 6: Final answer
x = 2,298,399.02
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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.