Finding the Fourth Proportional to 3,086,402.12, 4,629,603.68 and 1,288,304.71
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Solution
The fourth proportional to 3,086,402.12, 4,629,603.68 and 1,288,304.71 is: 1,932,457.27
Step by Step Solution
- Step 1: Write the proportion equation
3,086,402.12 : 4,629,603.68 = 1,288,304.71 : x - Step 2: Convert to fraction form
3,086,402.12/4,629,603.68 = 1,288,304.71/x - Step 3: Cross multiply
3,086,402.12x = 4,629,603.68 × 1,288,304.71 - Step 4: Simplify right side
3,086,402.12x = 5,964,340,226,377.33 - Step 5: Solve for x
x = 5,964,340,226,377.33/3,086,402.12 - Step 6: Final answer
x = 1,932,457.27
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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.