Finding the Fourth Proportional to 6,538,403.97, 9,804,207.29 and 1,926,785.21
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Solution
The fourth proportional to 6,538,403.97, 9,804,207.29 and 1,926,785.21 is: 2,889,176.26
Step by Step Solution
- Step 1: Write the proportion equation
6,538,403.97 : 9,804,207.29 = 1,926,785.21 : x - Step 2: Convert to fraction form
6,538,403.97/9,804,207.29 = 1,926,785.21/x - Step 3: Cross multiply
6,538,403.97x = 9,804,207.29 × 1,926,785.21 - Step 4: Simplify right side
6,538,403.97x = 18,890,601,543,491.22 - Step 5: Solve for x
x = 18,890,601,543,491.22/6,538,403.97 - Step 6: Final answer
x = 2,889,176.26
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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.