Finding the Fourth Proportional to 5,585,690.69, 8,378,523.61 and 1,487,012.84
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Solution
The fourth proportional to 5,585,690.69, 8,378,523.61 and 1,487,012.84 is: 2,230,515.95
Step by Step Solution
- Step 1: Write the proportion equation
5,585,690.69 : 8,378,523.61 = 1,487,012.84 : x - Step 2: Convert to fraction form
5,585,690.69/8,378,523.61 = 1,487,012.84/x - Step 3: Cross multiply
5,585,690.69x = 8,378,523.61 × 1,487,012.84 - Step 4: Simplify right side
5,585,690.69x = 12,458,972,188,313.15 - Step 5: Solve for x
x = 12,458,972,188,313.15/5,585,690.69 - Step 6: Final answer
x = 2,230,515.95
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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.