Finding the Fourth Proportional to 3,526,578.62, 5,290,366.08 and 1,129,862.60
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Solution
The fourth proportional to 3,526,578.62, 5,290,366.08 and 1,129,862.60 is: 1,694,953.50
Step by Step Solution
- Step 1: Write the proportion equation
3,526,578.62 : 5,290,366.08 = 1,129,862.60 : x - Step 2: Convert to fraction form
3,526,578.62/5,290,366.08 = 1,129,862.60/x - Step 3: Cross multiply
3,526,578.62x = 5,290,366.08 × 1,129,862.60 - Step 4: Simplify right side
3,526,578.62x = 5,977,386,774,100.61 - Step 5: Solve for x
x = 5,977,386,774,100.61/3,526,578.62 - Step 6: Final answer
x = 1,694,953.50
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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.