Finding the Fourth Proportional to 2,305,474.39, 3,181,605.24 and 1,272,979.39
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Solution
The fourth proportional to 2,305,474.39, 3,181,605.24 and 1,272,979.39 is: 1,756,739.48
Step by Step Solution
- Step 1: Write the proportion equation
2,305,474.39 : 3,181,605.24 = 1,272,979.39 : x - Step 2: Convert to fraction form
2,305,474.39/3,181,605.24 = 1,272,979.39/x - Step 3: Cross multiply
2,305,474.39x = 3,181,605.24 × 1,272,979.39 - Step 4: Simplify right side
2,305,474.39x = 4,050,117,891,271.11 - Step 5: Solve for x
x = 4,050,117,891,271.11/2,305,474.39 - Step 6: Final answer
x = 1,756,739.48
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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.