Finding the Fourth Proportional to 5,430,739.02, 7,494,177.42 and 3,256,481.94
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Solution
The fourth proportional to 5,430,739.02, 7,494,177.42 and 3,256,481.94 is: 4,493,799.71
Step by Step Solution
- Step 1: Write the proportion equation
5,430,739.02 : 7,494,177.42 = 3,256,481.94 : x - Step 2: Convert to fraction form
5,430,739.02/7,494,177.42 = 3,256,481.94/x - Step 3: Cross multiply
5,430,739.02x = 7,494,177.42 × 3,256,481.94 - Step 4: Simplify right side
5,430,739.02x = 24,404,653,423,385.79 - Step 5: Solve for x
x = 24,404,653,423,385.79/5,430,739.02 - Step 6: Final answer
x = 4,493,799.71
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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.