Finding the Fourth Proportional to 1,418,107.75, 1,957,207.68 and 837,393.01
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Solution
The fourth proportional to 1,418,107.75, 1,957,207.68 and 837,393.01 is: 1,155,731.66
Step by Step Solution
- Step 1: Write the proportion equation
1,418,107.75 : 1,957,207.68 = 837,393.01 : x - Step 2: Convert to fraction form
1,418,107.75/1,957,207.68 = 837,393.01/x - Step 3: Cross multiply
1,418,107.75x = 1,957,207.68 × 837,393.01 - Step 4: Simplify right side
1,418,107.75x = 1,638,952,030,350.32 - Step 5: Solve for x
x = 1,638,952,030,350.32/1,418,107.75 - Step 6: Final answer
x = 1,155,731.66
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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.