Finding the Fourth Proportional to 1,725,847.63, 2,589,145.09 and 660,889.73
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Solution
The fourth proportional to 1,725,847.63, 2,589,145.09 and 660,889.73 is: 991,477.68
Step by Step Solution
- Step 1: Write the proportion equation
1,725,847.63 : 2,589,145.09 = 660,889.73 : x - Step 2: Convert to fraction form
1,725,847.63/2,589,145.09 = 660,889.73/x - Step 3: Cross multiply
1,725,847.63x = 2,589,145.09 × 660,889.73 - Step 4: Simplify right side
1,725,847.63x = 1,711,139,404,281.56 - Step 5: Solve for x
x = 1,711,139,404,281.56/1,725,847.63 - Step 6: Final answer
x = 991,477.68
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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.