Finding the Fourth Proportional to 2,296,944.14, 3,169,965.78 and 1,330,091.28
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Solution
The fourth proportional to 2,296,944.14, 3,169,965.78 and 1,330,091.28 is: 1,835,631.86
Step by Step Solution
- Step 1: Write the proportion equation
2,296,944.14 : 3,169,965.78 = 1,330,091.28 : x - Step 2: Convert to fraction form
2,296,944.14/3,169,965.78 = 1,330,091.28/x - Step 3: Cross multiply
2,296,944.14x = 3,169,965.78 × 1,330,091.28 - Step 4: Simplify right side
2,296,944.14x = 4,216,343,841,876.40 - Step 5: Solve for x
x = 4,216,343,841,876.40/2,296,944.14 - Step 6: Final answer
x = 1,835,631.86
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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.