Finding the Fourth Proportional to 2,861,570.80, 4,292,356.20 and 2,476,276.08
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Solution
The fourth proportional to 2,861,570.80, 4,292,356.20 and 2,476,276.08 is: 3,714,414.12
Step by Step Solution
- Step 1: Write the proportion equation
2,861,570.80 : 4,292,356.20 = 2,476,276.08 : x - Step 2: Convert to fraction form
2,861,570.80/4,292,356.20 = 2,476,276.08/x - Step 3: Cross multiply
2,861,570.80x = 4,292,356.20 × 2,476,276.08 - Step 4: Simplify right side
2,861,570.80x = 10,629,058,984,899.70 - Step 5: Solve for x
x = 10,629,058,984,899.70/2,861,570.80 - Step 6: Final answer
x = 3,714,414.12
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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.