Finding the Fourth Proportional to 2,151,036.68, 3,228,548.86 and 1,086,826.70
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Solution
The fourth proportional to 2,151,036.68, 3,228,548.86 and 1,086,826.70 is: 1,631,247.45
Step by Step Solution
- Step 1: Write the proportion equation
2,151,036.68 : 3,228,548.86 = 1,086,826.70 : x - Step 2: Convert to fraction form
2,151,036.68/3,228,548.86 = 1,086,826.70/x - Step 3: Cross multiply
2,151,036.68x = 3,228,548.86 × 1,086,826.70 - Step 4: Simplify right side
2,151,036.68x = 3,508,873,103,302.56 - Step 5: Solve for x
x = 3,508,873,103,302.56/2,151,036.68 - Step 6: Final answer
x = 1,631,247.45
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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.