Finding the Fourth Proportional to 1,103,428.26, 1,645,486.16 and 1,093,338.63
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Solution
The fourth proportional to 1,103,428.26, 1,645,486.16 and 1,093,338.63 is: 1,630,440.01
Step by Step Solution
- Step 1: Write the proportion equation
1,103,428.26 : 1,645,486.16 = 1,093,338.63 : x - Step 2: Convert to fraction form
1,103,428.26/1,645,486.16 = 1,093,338.63/x - Step 3: Cross multiply
1,103,428.26x = 1,645,486.16 × 1,093,338.63 - Step 4: Simplify right side
1,103,428.26x = 1,799,073,578,391.67 - Step 5: Solve for x
x = 1,799,073,578,391.67/1,103,428.26 - Step 6: Final answer
x = 1,630,440.01
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.