Finding the Fourth Proportional to 1,519,318.81, 2,275,121.53 and 911,725.12
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Solution
The fourth proportional to 1,519,318.81, 2,275,121.53 and 911,725.12 is: 1,365,273.32
Step by Step Solution
- Step 1: Write the proportion equation
1,519,318.81 : 2,275,121.53 = 911,725.12 : x - Step 2: Convert to fraction form
1,519,318.81/2,275,121.53 = 911,725.12/x - Step 3: Cross multiply
1,519,318.81x = 2,275,121.53 × 911,725.12 - Step 4: Simplify right side
1,519,318.81x = 2,074,285,434,019.60 - Step 5: Solve for x
x = 2,074,285,434,019.60/1,519,318.81 - Step 6: Final answer
x = 1,365,273.32
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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.