Finding the Fourth Proportional to 5,187,210.24, 7,784,229.12 and 1,821,327.36
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Solution
The fourth proportional to 5,187,210.24, 7,784,229.12 and 1,821,327.36 is: 2,733,189.68
Step by Step Solution
- Step 1: Write the proportion equation
5,187,210.24 : 7,784,229.12 = 1,821,327.36 : x - Step 2: Convert to fraction form
5,187,210.24/7,784,229.12 = 1,821,327.36/x - Step 3: Cross multiply
5,187,210.24x = 7,784,229.12 × 1,821,327.36 - Step 4: Simplify right side
5,187,210.24x = 14,177,629,472,764.72 - Step 5: Solve for x
x = 14,177,629,472,764.72/5,187,210.24 - Step 6: Final answer
x = 2,733,189.68
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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.