Finding the Fourth Proportional to 3,926,289.99, 5,889,566.21 and 1,086,164.31
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Solution
The fourth proportional to 3,926,289.99, 5,889,566.21 and 1,086,164.31 is: 1,629,282.77
Step by Step Solution
- Step 1: Write the proportion equation
3,926,289.99 : 5,889,566.21 = 1,086,164.31 : x - Step 2: Convert to fraction form
3,926,289.99/5,889,566.21 = 1,086,164.31/x - Step 3: Cross multiply
3,926,289.99x = 5,889,566.21 × 1,086,164.31 - Step 4: Simplify right side
3,926,289.99x = 6,397,036,613,253.14 - Step 5: Solve for x
x = 6,397,036,613,253.14/3,926,289.99 - Step 6: Final answer
x = 1,629,282.77
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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.