Finding the Fourth Proportional to 3,432,276.16, 5,148,716.76 and 1,273,326.26
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Solution
The fourth proportional to 3,432,276.16, 5,148,716.76 and 1,273,326.26 is: 1,910,101.62
Step by Step Solution
- Step 1: Write the proportion equation
3,432,276.16 : 5,148,716.76 = 1,273,326.26 : x - Step 2: Convert to fraction form
3,432,276.16/5,148,716.76 = 1,273,326.26/x - Step 3: Cross multiply
3,432,276.16x = 5,148,716.76 × 1,273,326.26 - Step 4: Simplify right side
3,432,276.16x = 6,555,996,255,810.12 - Step 5: Solve for x
x = 6,555,996,255,810.12/3,432,276.16 - Step 6: Final answer
x = 1,910,101.62
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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.