Finding the Fourth Proportional to 5,361,533.98, 7,398,882.20 and 3,070,137.54
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Solution
The fourth proportional to 5,361,533.98, 7,398,882.20 and 3,070,137.54 is: 4,236,769.94
Step by Step Solution
- Step 1: Write the proportion equation
5,361,533.98 : 7,398,882.20 = 3,070,137.54 : x - Step 2: Convert to fraction form
5,361,533.98/7,398,882.20 = 3,070,137.54/x - Step 3: Cross multiply
5,361,533.98x = 7,398,882.20 × 3,070,137.54 - Step 4: Simplify right side
5,361,533.98x = 22,715,585,996,257.79 - Step 5: Solve for x
x = 22,715,585,996,257.79/5,361,533.98 - Step 6: Final answer
x = 4,236,769.94
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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.