Finding the Fourth Proportional to 3,079,403.97, 4,618,809.09 and 948,916.05
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Solution
The fourth proportional to 3,079,403.97, 4,618,809.09 and 948,916.05 is: 1,423,282.60
Step by Step Solution
- Step 1: Write the proportion equation
3,079,403.97 : 4,618,809.09 = 948,916.05 : x - Step 2: Convert to fraction form
3,079,403.97/4,618,809.09 = 948,916.05/x - Step 3: Cross multiply
3,079,403.97x = 4,618,809.09 × 948,916.05 - Step 4: Simplify right side
3,079,403.97x = 4,382,862,077,386.89 - Step 5: Solve for x
x = 4,382,862,077,386.89/3,079,403.97 - Step 6: Final answer
x = 1,423,282.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.