Finding the Fourth Proportional to 1,434,057.92, 1,974,731.64 and 1,402,232.96
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Solution
The fourth proportional to 1,434,057.92, 1,974,731.64 and 1,402,232.96 is: 1,930,907.92
Step by Step Solution
- Step 1: Write the proportion equation
1,434,057.92 : 1,974,731.64 = 1,402,232.96 : x - Step 2: Convert to fraction form
1,434,057.92/1,974,731.64 = 1,402,232.96/x - Step 3: Cross multiply
1,434,057.92x = 1,974,731.64 × 1,402,232.96 - Step 4: Simplify right side
1,434,057.92x = 2,769,033,792,762.85 - Step 5: Solve for x
x = 2,769,033,792,762.85/1,434,057.92 - Step 6: Final answer
x = 1,930,907.92
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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.