Finding the Fourth Proportional to 2,078,146.44, 2,867,812.42 and 1,160,390.12
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Solution
The fourth proportional to 2,078,146.44, 2,867,812.42 and 1,160,390.12 is: 1,601,321.79
Step by Step Solution
- Step 1: Write the proportion equation
2,078,146.44 : 2,867,812.42 = 1,160,390.12 : x - Step 2: Convert to fraction form
2,078,146.44/2,867,812.42 = 1,160,390.12/x - Step 3: Cross multiply
2,078,146.44x = 2,867,812.42 × 1,160,390.12 - Step 4: Simplify right side
2,078,146.44x = 3,327,781,178,040.28 - Step 5: Solve for x
x = 3,327,781,178,040.28/2,078,146.44 - Step 6: Final answer
x = 1,601,321.79
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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.