Finding the Fourth Proportional to 3,768,399.30, 5,200,415.49 and 2,049,532.26
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Solution
The fourth proportional to 3,768,399.30, 5,200,415.49 and 2,049,532.26 is: 2,828,367.82
Step by Step Solution
- Step 1: Write the proportion equation
3,768,399.30 : 5,200,415.49 = 2,049,532.26 : x - Step 2: Convert to fraction form
3,768,399.30/5,200,415.49 = 2,049,532.26/x - Step 3: Cross multiply
3,768,399.30x = 5,200,415.49 × 2,049,532.26 - Step 4: Simplify right side
3,768,399.30x = 10,658,419,312,158.71 - Step 5: Solve for x
x = 10,658,419,312,158.71/3,768,399.30 - Step 6: Final answer
x = 2,828,367.82
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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.