Finding the Fourth Proportional to 5,346,914.40, 8,024,308.20 and 2,154,331.80
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Solution
The fourth proportional to 5,346,914.40, 8,024,308.20 and 2,154,331.80 is: 3,233,083.80
Step by Step Solution
- Step 1: Write the proportion equation
5,346,914.40 : 8,024,308.20 = 2,154,331.80 : x - Step 2: Convert to fraction form
5,346,914.40/8,024,308.20 = 2,154,331.80/x - Step 3: Cross multiply
5,346,914.40x = 8,024,308.20 × 2,154,331.80 - Step 4: Simplify right side
5,346,914.40x = 17,287,022,328,260.76 - Step 5: Solve for x
x = 17,287,022,328,260.76/5,346,914.40 - Step 6: Final answer
x = 3,233,083.80
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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.