Finding the Fourth Proportional to 4,215,945.74, 6,323,933.58 and 1,021,074.08
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Solution
The fourth proportional to 4,215,945.74, 6,323,933.58 and 1,021,074.08 is: 1,531,614.75
Step by Step Solution
- Step 1: Write the proportion equation
4,215,945.74 : 6,323,933.58 = 1,021,074.08 : x - Step 2: Convert to fraction form
4,215,945.74/6,323,933.58 = 1,021,074.08/x - Step 3: Cross multiply
4,215,945.74x = 6,323,933.58 × 1,021,074.08 - Step 4: Simplify right side
4,215,945.74x = 6,457,204,662,179.61 - Step 5: Solve for x
x = 6,457,204,662,179.61/4,215,945.74 - Step 6: Final answer
x = 1,531,614.75
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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.