Finding the Fourth Proportional to 2,652,129.80, 3,978,194.70 and 879,201.80
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Solution
The fourth proportional to 2,652,129.80, 3,978,194.70 and 879,201.80 is: 1,318,802.70
Step by Step Solution
- Step 1: Write the proportion equation
2,652,129.80 : 3,978,194.70 = 879,201.80 : x - Step 2: Convert to fraction form
2,652,129.80/3,978,194.70 = 879,201.80/x - Step 3: Cross multiply
2,652,129.80x = 3,978,194.70 × 879,201.80 - Step 4: Simplify right side
2,652,129.80x = 3,497,635,940,990.46 - Step 5: Solve for x
x = 3,497,635,940,990.46/2,652,129.80 - Step 6: Final answer
x = 1,318,802.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.