Finding the Fourth Proportional to 5,562,145.40, 7,676,243.60 and 3,114,711.99
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Solution
The fourth proportional to 5,562,145.40, 7,676,243.60 and 3,114,711.99 is: 4,298,572.99
Step by Step Solution
- Step 1: Write the proportion equation
5,562,145.40 : 7,676,243.60 = 3,114,711.99 : x - Step 2: Convert to fraction form
5,562,145.40/7,676,243.60 = 3,114,711.99/x - Step 3: Cross multiply
5,562,145.40x = 7,676,243.60 × 3,114,711.99 - Step 4: Simplify right side
5,562,145.40x = 23,909,287,963,507.20 - Step 5: Solve for x
x = 23,909,287,963,507.20/5,562,145.40 - Step 6: Final answer
x = 4,298,572.99
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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.