Finding the Fourth Proportional to 5,228,968.01, 7,214,856.50 and 3,052,523.36
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Solution
The fourth proportional to 5,228,968.01, 7,214,856.50 and 3,052,523.36 is: 4,211,828.78
Step by Step Solution
- Step 1: Write the proportion equation
5,228,968.01 : 7,214,856.50 = 3,052,523.36 : x - Step 2: Convert to fraction form
5,228,968.01/7,214,856.50 = 3,052,523.36/x - Step 3: Cross multiply
5,228,968.01x = 7,214,856.50 × 3,052,523.36 - Step 4: Simplify right side
5,228,968.01x = 22,023,517,953,960.94 - Step 5: Solve for x
x = 22,023,517,953,960.94/5,228,968.01 - Step 6: Final answer
x = 4,211,828.78
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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.