Finding the Fourth Proportional to 3,413,892.62, 5,121,601.65 and 1,283,995.19
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Solution
The fourth proportional to 3,413,892.62, 5,121,601.65 and 1,283,995.19 is: 1,926,279.65
Step by Step Solution
- Step 1: Write the proportion equation
3,413,892.62 : 5,121,601.65 = 1,283,995.19 : x - Step 2: Convert to fraction form
3,413,892.62/5,121,601.65 = 1,283,995.19/x - Step 3: Cross multiply
3,413,892.62x = 5,121,601.65 × 1,283,995.19 - Step 4: Simplify right side
3,413,892.62x = 6,576,111,896,500.07 - Step 5: Solve for x
x = 6,576,111,896,500.07/3,413,892.62 - Step 6: Final answer
x = 1,926,279.65
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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.