Finding the Fourth Proportional to 6,428,524.70, 8,871,164.24 and 3,527,840.99
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Solution
The fourth proportional to 6,428,524.70, 8,871,164.24 and 3,527,840.99 is: 4,868,310.89
Step by Step Solution
- Step 1: Write the proportion equation
6,428,524.70 : 8,871,164.24 = 3,527,840.99 : x - Step 2: Convert to fraction form
6,428,524.70/8,871,164.24 = 3,527,840.99/x - Step 3: Cross multiply
6,428,524.70x = 8,871,164.24 × 3,527,840.99 - Step 4: Simplify right side
6,428,524.70x = 31,296,056,772,899.17 - Step 5: Solve for x
x = 31,296,056,772,899.17/6,428,524.70 - Step 6: Final answer
x = 4,868,310.89
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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.