Finding the Fourth Proportional to 2,642,180.19, 3,964,795.73 and 1,427,760.96
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Solution
The fourth proportional to 2,642,180.19, 3,964,795.73 and 1,427,760.96 is: 2,142,465.75
Step by Step Solution
- Step 1: Write the proportion equation
2,642,180.19 : 3,964,795.73 = 1,427,760.96 : x - Step 2: Convert to fraction form
2,642,180.19/3,964,795.73 = 1,427,760.96/x - Step 3: Cross multiply
2,642,180.19x = 3,964,795.73 × 1,427,760.96 - Step 4: Simplify right side
2,642,180.19x = 5,660,780,550,529.90 - Step 5: Solve for x
x = 5,660,780,550,529.90/2,642,180.19 - Step 6: Final answer
x = 2,142,465.75
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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.