Finding the Fourth Proportional to 1,619,653.14, 2,235,138.21 and 894,519.27
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Solution
The fourth proportional to 1,619,653.14, 2,235,138.21 and 894,519.27 is: 1,234,445.91
Step by Step Solution
- Step 1: Write the proportion equation
1,619,653.14 : 2,235,138.21 = 894,519.27 : x - Step 2: Convert to fraction form
1,619,653.14/2,235,138.21 = 894,519.27/x - Step 3: Cross multiply
1,619,653.14x = 2,235,138.21 × 894,519.27 - Step 4: Simplify right side
1,619,653.14x = 1,999,374,199,958.31 - Step 5: Solve for x
x = 1,999,374,199,958.31/1,619,653.14 - Step 6: Final answer
x = 1,234,445.91
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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.