Finding the Fourth Proportional to 1,639,423.58, 2,262,400.08 and 914,272.08
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Solution
The fourth proportional to 1,639,423.58, 2,262,400.08 and 914,272.08 is: 1,261,692.98
Step by Step Solution
- Step 1: Write the proportion equation
1,639,423.58 : 2,262,400.08 = 914,272.08 : x - Step 2: Convert to fraction form
1,639,423.58/2,262,400.08 = 914,272.08/x - Step 3: Cross multiply
1,639,423.58x = 2,262,400.08 × 914,272.08 - Step 4: Simplify right side
1,639,423.58x = 2,068,449,226,933.77 - Step 5: Solve for x
x = 2,068,449,226,933.77/1,639,423.58 - Step 6: Final answer
x = 1,261,692.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.