Finding the Fourth Proportional to 4,923,399.51, 6,788,935.22 and 3,201,326.55
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Solution
The fourth proportional to 4,923,399.51, 6,788,935.22 and 3,201,326.55 is: 4,414,347.95
Step by Step Solution
- Step 1: Write the proportion equation
4,923,399.51 : 6,788,935.22 = 3,201,326.55 : x - Step 2: Convert to fraction form
4,923,399.51/6,788,935.22 = 3,201,326.55/x - Step 3: Cross multiply
4,923,399.51x = 6,788,935.22 × 3,201,326.55 - Step 4: Simplify right side
4,923,399.51x = 21,733,598,550,009.46 - Step 5: Solve for x
x = 21,733,598,550,009.46/4,923,399.51 - Step 6: Final answer
x = 4,414,347.95
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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.