Finding the Fourth Proportional to 2,607,326.20, 3,910,989.30 and 2,512,847.80
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Solution
The fourth proportional to 2,607,326.20, 3,910,989.30 and 2,512,847.80 is: 3,769,271.70
Step by Step Solution
- Step 1: Write the proportion equation
2,607,326.20 : 3,910,989.30 = 2,512,847.80 : x - Step 2: Convert to fraction form
2,607,326.20/3,910,989.30 = 2,512,847.80/x - Step 3: Cross multiply
2,607,326.20x = 3,910,989.30 × 2,512,847.80 - Step 4: Simplify right side
2,607,326.20x = 9,827,720,858,328.54 - Step 5: Solve for x
x = 9,827,720,858,328.54/2,607,326.20 - Step 6: Final answer
x = 3,769,271.70
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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.