Finding the Fourth Proportional to 1,472,586.38, 2,208,633.53 and 407,736.08
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Solution
The fourth proportional to 1,472,586.38, 2,208,633.53 and 407,736.08 is: 611,535.99
Step by Step Solution
- Step 1: Write the proportion equation
1,472,586.38 : 2,208,633.53 = 407,736.08 : x - Step 2: Convert to fraction form
1,472,586.38/2,208,633.53 = 407,736.08/x - Step 3: Cross multiply
1,472,586.38x = 2,208,633.53 × 407,736.08 - Step 4: Simplify right side
1,472,586.38x = 900,539,575,172.81 - Step 5: Solve for x
x = 900,539,575,172.81/1,472,586.38 - Step 6: Final answer
x = 611,535.99
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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.