Finding the Fourth Proportional to 3,217,211.55, 4,825,814.58 and 821,055.99
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Solution
The fourth proportional to 3,217,211.55, 4,825,814.58 and 821,055.99 is: 1,231,583.28
Step by Step Solution
- Step 1: Write the proportion equation
3,217,211.55 : 4,825,814.58 = 821,055.99 : x - Step 2: Convert to fraction form
3,217,211.55/4,825,814.58 = 821,055.99/x - Step 3: Cross multiply
3,217,211.55x = 4,825,814.58 × 821,055.99 - Step 4: Simplify right side
3,217,211.55x = 3,962,263,967,538.33 - Step 5: Solve for x
x = 3,962,263,967,538.33/3,217,211.55 - Step 6: Final answer
x = 1,231,583.28
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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.