Finding the Fourth Proportional to 1,427,875.96, 2,141,821.36 and 481,254.88
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Solution
The fourth proportional to 1,427,875.96, 2,141,821.36 and 481,254.88 is: 721,884.82
Step by Step Solution
- Step 1: Write the proportion equation
1,427,875.96 : 2,141,821.36 = 481,254.88 : x - Step 2: Convert to fraction form
1,427,875.96/2,141,821.36 = 481,254.88/x - Step 3: Cross multiply
1,427,875.96x = 2,141,821.36 × 481,254.88 - Step 4: Simplify right side
1,427,875.96x = 1,030,761,981,588.24 - Step 5: Solve for x
x = 1,030,761,981,588.24/1,427,875.96 - Step 6: Final answer
x = 721,884.82
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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.