Finding the Fourth Proportional to 3,394,806.62, 4,684,739.69 and 1,866,913.74
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Solution
The fourth proportional to 3,394,806.62, 4,684,739.69 and 1,866,913.74 is: 2,576,289.58
Step by Step Solution
- Step 1: Write the proportion equation
3,394,806.62 : 4,684,739.69 = 1,866,913.74 : x - Step 2: Convert to fraction form
3,394,806.62/4,684,739.69 = 1,866,913.74/x - Step 3: Cross multiply
3,394,806.62x = 4,684,739.69 × 1,866,913.74 - Step 4: Simplify right side
3,394,806.62x = 8,746,004,900,251.63 - Step 5: Solve for x
x = 8,746,004,900,251.63/3,394,806.62 - Step 6: Final answer
x = 2,576,289.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.