Finding the Fourth Proportional to 1,993,008.61, 2,750,438.97 and 1,121,899.46
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Solution
The fourth proportional to 1,993,008.61, 2,750,438.97 and 1,121,899.46 is: 1,548,270.28
Step by Step Solution
- Step 1: Write the proportion equation
1,993,008.61 : 2,750,438.97 = 1,121,899.46 : x - Step 2: Convert to fraction form
1,993,008.61/2,750,438.97 = 1,121,899.46/x - Step 3: Cross multiply
1,993,008.61x = 2,750,438.97 × 1,121,899.46 - Step 4: Simplify right side
1,993,008.61x = 3,085,715,989,596.46 - Step 5: Solve for x
x = 3,085,715,989,596.46/1,993,008.61 - Step 6: Final answer
x = 1,548,270.28
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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.