Finding the Fourth Proportional to 1,448,841.30, 2,173,553.55 and 1,213,811.70
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Solution
The fourth proportional to 1,448,841.30, 2,173,553.55 and 1,213,811.70 is: 1,820,961.85
Step by Step Solution
- Step 1: Write the proportion equation
1,448,841.30 : 2,173,553.55 = 1,213,811.70 : x - Step 2: Convert to fraction form
1,448,841.30/2,173,553.55 = 1,213,811.70/x - Step 3: Cross multiply
1,448,841.30x = 2,173,553.55 × 1,213,811.70 - Step 4: Simplify right side
1,448,841.30x = 2,638,284,729,566.53 - Step 5: Solve for x
x = 2,638,284,729,566.53/1,448,841.30 - Step 6: Final answer
x = 1,820,961.85
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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.