Finding the Fourth Proportional to 5,785,589.25, 8,678,457.66 and 3,987,990.06
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Solution
The fourth proportional to 5,785,589.25, 8,678,457.66 and 3,987,990.06 is: 5,982,035.95
Step by Step Solution
- Step 1: Write the proportion equation
5,785,589.25 : 8,678,457.66 = 3,987,990.06 : x - Step 2: Convert to fraction form
5,785,589.25/8,678,457.66 = 3,987,990.06/x - Step 3: Cross multiply
5,785,589.25x = 8,678,457.66 × 3,987,990.06 - Step 4: Simplify right side
5,785,589.25x = 34,609,602,884,210.86 - Step 5: Solve for x
x = 34,609,602,884,210.86/5,785,589.25 - Step 6: Final answer
x = 5,982,035.95
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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.