Finding the Fourth Proportional to 1,847,965.50, 2,548,786.33 and 1,590,276.07
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Solution
The fourth proportional to 1,847,965.50, 2,548,786.33 and 1,590,276.07 is: 2,193,370.99
Step by Step Solution
- Step 1: Write the proportion equation
1,847,965.50 : 2,548,786.33 = 1,590,276.07 : x - Step 2: Convert to fraction form
1,847,965.50/2,548,786.33 = 1,590,276.07/x - Step 3: Cross multiply
1,847,965.50x = 2,548,786.33 × 1,590,276.07 - Step 4: Simplify right side
1,847,965.50x = 4,053,273,913,315.95 - Step 5: Solve for x
x = 4,053,273,913,315.95/1,847,965.50 - Step 6: Final answer
x = 2,193,370.99
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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.