Finding the Fourth Proportional to 2,129,148.95, 3,193,723.56 and 1,700,678.68
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Solution
The fourth proportional to 2,129,148.95, 3,193,723.56 and 1,700,678.68 is: 2,551,018.13
Step by Step Solution
- Step 1: Write the proportion equation
2,129,148.95 : 3,193,723.56 = 1,700,678.68 : x - Step 2: Convert to fraction form
2,129,148.95/3,193,723.56 = 1,700,678.68/x - Step 3: Cross multiply
2,129,148.95x = 3,193,723.56 × 1,700,678.68 - Step 4: Simplify right side
2,129,148.95x = 5,431,497,560,321.39 - Step 5: Solve for x
x = 5,431,497,560,321.39/2,129,148.95 - Step 6: Final answer
x = 2,551,018.13
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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.