Finding the Fourth Proportional to 1,485,652.14, 2,052,055.26 and 1,145,617.38
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Solution
The fourth proportional to 1,485,652.14, 2,052,055.26 and 1,145,617.38 is: 1,582,382.65
Step by Step Solution
- Step 1: Write the proportion equation
1,485,652.14 : 2,052,055.26 = 1,145,617.38 : x - Step 2: Convert to fraction form
1,485,652.14/2,052,055.26 = 1,145,617.38/x - Step 3: Cross multiply
1,485,652.14x = 2,052,055.26 × 1,145,617.38 - Step 4: Simplify right side
1,485,652.14x = 2,350,870,170,576.42 - Step 5: Solve for x
x = 2,350,870,170,576.42/1,485,652.14 - Step 6: Final answer
x = 1,582,382.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.