Finding the Fourth Proportional to 5,181,976.26, 7,773,960.71 and 1,986,853.26
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Solution
The fourth proportional to 5,181,976.26, 7,773,960.71 and 1,986,853.26 is: 2,980,661.90
Step by Step Solution
- Step 1: Write the proportion equation
5,181,976.26 : 7,773,960.71 = 1,986,853.26 : x - Step 2: Convert to fraction form
5,181,976.26/7,773,960.71 = 1,986,853.26/x - Step 3: Cross multiply
5,181,976.26x = 7,773,960.71 × 1,986,853.26 - Step 4: Simplify right side
5,181,976.26x = 15,445,719,179,775.41 - Step 5: Solve for x
x = 15,445,719,179,775.41/5,181,976.26 - Step 6: Final answer
x = 2,980,661.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.