Finding the Fourth Proportional to 5,519,533.08, 8,278,717.20 and 1,476,428.88
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Solution
The fourth proportional to 5,519,533.08, 8,278,717.20 and 1,476,428.88 is: 2,214,487.53
Step by Step Solution
- Step 1: Write the proportion equation
5,519,533.08 : 8,278,717.20 = 1,476,428.88 : x - Step 2: Convert to fraction form
5,519,533.08/8,278,717.20 = 1,476,428.88/x - Step 3: Cross multiply
5,519,533.08x = 8,278,717.20 × 1,476,428.88 - Step 4: Simplify right side
5,519,533.08x = 12,222,937,163,432.73 - Step 5: Solve for x
x = 12,222,937,163,432.73/5,519,533.08 - Step 6: Final answer
x = 2,214,487.53
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1.5x scale
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.