Finding the Fourth Proportional to 4,412,120.52, 6,618,561.99 and 1,217,246.70
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Solution
The fourth proportional to 4,412,120.52, 6,618,561.99 and 1,217,246.70 is: 1,825,975.22
Step by Step Solution
- Step 1: Write the proportion equation
4,412,120.52 : 6,618,561.99 = 1,217,246.70 : x - Step 2: Convert to fraction form
4,412,120.52/6,618,561.99 = 1,217,246.70/x - Step 3: Cross multiply
4,412,120.52x = 6,618,561.99 × 1,217,246.70 - Step 4: Simplify right side
4,412,120.52x = 8,056,422,734,986.70 - Step 5: Solve for x
x = 8,056,422,734,986.70/4,412,120.52 - Step 6: Final answer
x = 1,825,975.22
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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.