Finding the Fourth Proportional to 4,140,768.26, 5,714,130.38 and 2,398,471.70
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Solution
The fourth proportional to 4,140,768.26, 5,714,130.38 and 2,398,471.70 is: 3,309,815.74
Step by Step Solution
- Step 1: Write the proportion equation
4,140,768.26 : 5,714,130.38 = 2,398,471.70 : x - Step 2: Convert to fraction form
4,140,768.26/5,714,130.38 = 2,398,471.70/x - Step 3: Cross multiply
4,140,768.26x = 5,714,130.38 × 2,398,471.70 - Step 4: Simplify right side
4,140,768.26x = 13,705,179,965,977.23 - Step 5: Solve for x
x = 13,705,179,965,977.23/4,140,768.26 - Step 6: Final answer
x = 3,309,815.74
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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.