Finding the Fourth Proportional to 5,181,726.08, 7,779,324.51 and 3,984,489.15
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Solution
The fourth proportional to 5,181,726.08, 7,779,324.51 and 3,984,489.15 is: 5,981,912.90
Step by Step Solution
- Step 1: Write the proportion equation
5,181,726.08 : 7,779,324.51 = 3,984,489.15 : x - Step 2: Convert to fraction form
5,181,726.08/7,779,324.51 = 3,984,489.15/x - Step 3: Cross multiply
5,181,726.08x = 7,779,324.51 × 3,984,489.15 - Step 4: Simplify right side
5,181,726.08x = 30,996,634,104,424.07 - Step 5: Solve for x
x = 30,996,634,104,424.07/5,181,726.08 - Step 6: Final answer
x = 5,981,912.90
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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.