Finding the Fourth Proportional to 5,925,816.64, 8,178,290.63 and 3,347,663.49
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Solution
The fourth proportional to 5,925,816.64, 8,178,290.63 and 3,347,663.49 is: 4,620,150.54
Step by Step Solution
- Step 1: Write the proportion equation
5,925,816.64 : 8,178,290.63 = 3,347,663.49 : x - Step 2: Convert to fraction form
5,925,816.64/8,178,290.63 = 3,347,663.49/x - Step 3: Cross multiply
5,925,816.64x = 8,178,290.63 × 3,347,663.49 - Step 4: Simplify right side
5,925,816.64x = 27,378,164,935,921.78 - Step 5: Solve for x
x = 27,378,164,935,921.78/5,925,816.64 - Step 6: Final answer
x = 4,620,150.54
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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.