Finding the Fourth Proportional to 5,364,828.71, 7,403,360.97 and 2,950,380.71
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Solution
The fourth proportional to 5,364,828.71, 7,403,360.97 and 2,950,380.71 is: 4,071,468.92
Step by Step Solution
- Step 1: Write the proportion equation
5,364,828.71 : 7,403,360.97 = 2,950,380.71 : x - Step 2: Convert to fraction form
5,364,828.71/7,403,360.97 = 2,950,380.71/x - Step 3: Cross multiply
5,364,828.71x = 7,403,360.97 × 2,950,380.71 - Step 4: Simplify right side
5,364,828.71x = 21,842,733,343,286.18 - Step 5: Solve for x
x = 21,842,733,343,286.18/5,364,828.71 - Step 6: Final answer
x = 4,071,468.92
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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.