Finding the Fourth Proportional to 1,409,588.48, 2,114,363.76 and 344,639.68
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Solution
The fourth proportional to 1,409,588.48, 2,114,363.76 and 344,639.68 is: 516,954.88
Step by Step Solution
- Step 1: Write the proportion equation
1,409,588.48 : 2,114,363.76 = 344,639.68 : x - Step 2: Convert to fraction form
1,409,588.48/2,114,363.76 = 344,639.68/x - Step 3: Cross multiply
1,409,588.48x = 2,114,363.76 × 344,639.68 - Step 4: Simplify right side
1,409,588.48x = 728,693,649,650.00 - Step 5: Solve for x
x = 728,693,649,650.00/1,409,588.48 - Step 6: Final answer
x = 516,954.88
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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.