Finding the Fourth Proportional to 2,275,876.80, 3,415,494.96 and 1,077,796.80
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Solution
The fourth proportional to 2,275,876.80, 3,415,494.96 and 1,077,796.80 is: 1,617,490.69
Step by Step Solution
- Step 1: Write the proportion equation
2,275,876.80 : 3,415,494.96 = 1,077,796.80 : x - Step 2: Convert to fraction form
2,275,876.80/3,415,494.96 = 1,077,796.80/x - Step 3: Cross multiply
2,275,876.80x = 3,415,494.96 × 1,077,796.80 - Step 4: Simplify right side
2,275,876.80x = 3,681,209,538,304.13 - Step 5: Solve for x
x = 3,681,209,538,304.13/2,275,876.80 - Step 6: Final answer
x = 1,617,490.69
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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.