Finding the Fourth Proportional to 1,992,796.70, 2,750,280.75 and 1,121,657.90
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Solution
The fourth proportional to 1,992,796.70, 2,750,280.75 and 1,121,657.90 is: 1,548,012.46
Step by Step Solution
- Step 1: Write the proportion equation
1,992,796.70 : 2,750,280.75 = 1,121,657.90 : x - Step 2: Convert to fraction form
1,992,796.70/2,750,280.75 = 1,121,657.90/x - Step 3: Cross multiply
1,992,796.70x = 2,750,280.75 × 1,121,657.90 - Step 4: Simplify right side
1,992,796.70x = 3,084,874,116,704.02 - Step 5: Solve for x
x = 3,084,874,116,704.02/1,992,796.70 - Step 6: Final answer
x = 1,548,012.46
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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.