Finding the Fourth Proportional to 2,566,743.19, 3,853,899.61 and 1,431,722.99
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Solution
The fourth proportional to 2,566,743.19, 3,853,899.61 and 1,431,722.99 is: 2,149,695.66
Step by Step Solution
- Step 1: Write the proportion equation
2,566,743.19 : 3,853,899.61 = 1,431,722.99 : x - Step 2: Convert to fraction form
2,566,743.19/3,853,899.61 = 1,431,722.99/x - Step 3: Cross multiply
2,566,743.19x = 3,853,899.61 × 1,431,722.99 - Step 4: Simplify right side
2,566,743.19x = 5,517,716,678,844.47 - Step 5: Solve for x
x = 5,517,716,678,844.47/2,566,743.19 - Step 6: Final answer
x = 2,149,695.66
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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.