Finding the Fourth Proportional to 3,490,021.12, 5,235,148.28 and 965,464.96
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Solution
The fourth proportional to 3,490,021.12, 5,235,148.28 and 965,464.96 is: 1,448,229.70
Step by Step Solution
- Step 1: Write the proportion equation
3,490,021.12 : 5,235,148.28 = 965,464.96 : x - Step 2: Convert to fraction form
3,490,021.12/5,235,148.28 = 965,464.96/x - Step 3: Cross multiply
3,490,021.12x = 5,235,148.28 × 965,464.96 - Step 4: Simplify right side
3,490,021.12x = 5,054,352,224,744.27 - Step 5: Solve for x
x = 5,054,352,224,744.27/3,490,021.12 - Step 6: Final answer
x = 1,448,229.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.