Finding the Fourth Proportional to 1,728,282.96, 2,591,731.20 and 716,717.70
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Solution
The fourth proportional to 1,728,282.96, 2,591,731.20 and 716,717.70 is: 1,074,789.06
Step by Step Solution
- Step 1: Write the proportion equation
1,728,282.96 : 2,591,731.20 = 716,717.70 : x - Step 2: Convert to fraction form
1,728,282.96/2,591,731.20 = 716,717.70/x - Step 3: Cross multiply
1,728,282.96x = 2,591,731.20 × 716,717.70 - Step 4: Simplify right side
1,728,282.96x = 1,857,539,624,682.24 - Step 5: Solve for x
x = 1,857,539,624,682.24/1,728,282.96 - Step 6: Final answer
x = 1,074,789.06
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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.