Finding the Fourth Proportional to 1,397,419.53, 2,096,228.98 and 372,744.08
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Solution
The fourth proportional to 1,397,419.53, 2,096,228.98 and 372,744.08 is: 559,142.71
Step by Step Solution
- Step 1: Write the proportion equation
1,397,419.53 : 2,096,228.98 = 372,744.08 : x - Step 2: Convert to fraction form
1,397,419.53/2,096,228.98 = 372,744.08/x - Step 3: Cross multiply
1,397,419.53x = 2,096,228.98 × 372,744.08 - Step 4: Simplify right side
1,397,419.53x = 781,356,940,989.24 - Step 5: Solve for x
x = 781,356,940,989.24/1,397,419.53 - Step 6: Final answer
x = 559,142.71
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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.