Finding the Fourth Proportional to 2,671,745.67, 3,998,158.20 and 1,661,343.48
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Solution
The fourth proportional to 2,671,745.67, 3,998,158.20 and 1,661,343.48 is: 2,486,132.62
Step by Step Solution
- Step 1: Write the proportion equation
2,671,745.67 : 3,998,158.20 = 1,661,343.48 : x - Step 2: Convert to fraction form
2,671,745.67/3,998,158.20 = 1,661,343.48/x - Step 3: Cross multiply
2,671,745.67x = 3,998,158.20 × 1,661,343.48 - Step 4: Simplify right side
2,671,745.67x = 6,642,314,057,578.54 - Step 5: Solve for x
x = 6,642,314,057,578.54/2,671,745.67 - Step 6: Final answer
x = 2,486,132.62
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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.