Finding the Fourth Proportional to 2,251,742.49, 3,106,633.50 and 1,284,177.24
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Solution
The fourth proportional to 2,251,742.49, 3,106,633.50 and 1,284,177.24 is: 1,771,724.81
Step by Step Solution
- Step 1: Write the proportion equation
2,251,742.49 : 3,106,633.50 = 1,284,177.24 : x - Step 2: Convert to fraction form
2,251,742.49/3,106,633.50 = 1,284,177.24/x - Step 3: Cross multiply
2,251,742.49x = 3,106,633.50 × 1,284,177.24 - Step 4: Simplify right side
2,251,742.49x = 3,989,468,033,721.54 - Step 5: Solve for x
x = 3,989,468,033,721.54/2,251,742.49 - Step 6: Final answer
x = 1,771,724.81
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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.