Finding the Fourth Proportional to 5,520,553.84, 7,618,282.14 and 3,073,160.44
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Solution
The fourth proportional to 5,520,553.84, 7,618,282.14 and 3,073,160.44 is: 4,240,915.67
Step by Step Solution
- Step 1: Write the proportion equation
5,520,553.84 : 7,618,282.14 = 3,073,160.44 : x - Step 2: Convert to fraction form
5,520,553.84/7,618,282.14 = 3,073,160.44/x - Step 3: Cross multiply
5,520,553.84x = 7,618,282.14 × 3,073,160.44 - Step 4: Simplify right side
5,520,553.84x = 23,412,203,293,406.54 - Step 5: Solve for x
x = 23,412,203,293,406.54/5,520,553.84 - Step 6: Final answer
x = 4,240,915.67
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1.5x scale
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.