Finding the Fourth Proportional to 1,619,551.20, 2,234,868.12 and 894,392.64
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Solution
The fourth proportional to 1,619,551.20, 2,234,868.12 and 894,392.64 is: 1,234,199.70
Step by Step Solution
- Step 1: Write the proportion equation
1,619,551.20 : 2,234,868.12 = 894,392.64 : x - Step 2: Convert to fraction form
1,619,551.20/2,234,868.12 = 894,392.64/x - Step 3: Cross multiply
1,619,551.20x = 2,234,868.12 × 894,392.64 - Step 4: Simplify right side
1,619,551.20x = 1,998,849,597,898.64 - Step 5: Solve for x
x = 1,998,849,597,898.64/1,619,551.20 - Step 6: Final answer
x = 1,234,199.70
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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.