Finding the Fourth Proportional to 1,911,921.99, 2,638,479.51 and 1,040,783.37
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Solution
The fourth proportional to 1,911,921.99, 2,638,479.51 and 1,040,783.37 is: 1,436,295.84
Step by Step Solution
- Step 1: Write the proportion equation
1,911,921.99 : 2,638,479.51 = 1,040,783.37 : x - Step 2: Convert to fraction form
1,911,921.99/2,638,479.51 = 1,040,783.37/x - Step 3: Cross multiply
1,911,921.99x = 2,638,479.51 × 1,040,783.37 - Step 4: Simplify right side
1,911,921.99x = 2,746,085,596,093.75 - Step 5: Solve for x
x = 2,746,085,596,093.75/1,911,921.99 - Step 6: Final answer
x = 1,436,295.84
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.