Finding the Fourth Proportional to 1,998,252.45, 2,757,658.50 and 1,138,673.97
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Solution
The fourth proportional to 1,998,252.45, 2,757,658.50 and 1,138,673.97 is: 1,571,410.03
Step by Step Solution
- Step 1: Write the proportion equation
1,998,252.45 : 2,757,658.50 = 1,138,673.97 : x - Step 2: Convert to fraction form
1,998,252.45/2,757,658.50 = 1,138,673.97/x - Step 3: Cross multiply
1,998,252.45x = 2,757,658.50 × 1,138,673.97 - Step 4: Simplify right side
1,998,252.45x = 3,140,073,952,099.25 - Step 5: Solve for x
x = 3,140,073,952,099.25/1,998,252.45 - Step 6: Final answer
x = 1,571,410.03
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.