Finding the Fourth Proportional to 5,274,785.72, 7,915,427.22 and 2,079,368.12
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Solution
The fourth proportional to 5,274,785.72, 7,915,427.22 and 2,079,368.12 is: 3,120,332.82
Step by Step Solution
- Step 1: Write the proportion equation
5,274,785.72 : 7,915,427.22 = 2,079,368.12 : x - Step 2: Convert to fraction form
5,274,785.72/7,915,427.22 = 2,079,368.12/x - Step 3: Cross multiply
5,274,785.72x = 7,915,427.22 × 2,079,368.12 - Step 4: Simplify right side
5,274,785.72x = 16,459,087,017,448.23 - Step 5: Solve for x
x = 16,459,087,017,448.23/5,274,785.72 - Step 6: Final answer
x = 3,120,332.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.