Finding the Fourth Proportional to 2,910,492.98, 4,366,378.52 and 860,993.09
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Solution
The fourth proportional to 2,910,492.98, 4,366,378.52 and 860,993.09 is: 1,291,678.67
Step by Step Solution
- Step 1: Write the proportion equation
2,910,492.98 : 4,366,378.52 = 860,993.09 : x - Step 2: Convert to fraction form
2,910,492.98/4,366,378.52 = 860,993.09/x - Step 3: Cross multiply
2,910,492.98x = 4,366,378.52 × 860,993.09 - Step 4: Simplify right side
2,910,492.98x = 3,759,421,707,907.57 - Step 5: Solve for x
x = 3,759,421,707,907.57/2,910,492.98 - Step 6: Final answer
x = 1,291,678.67
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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.