Finding the Fourth Proportional to 5,106,066.40, 7,046,414.52 and 2,814,232.96
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Solution
The fourth proportional to 5,106,066.40, 7,046,414.52 and 2,814,232.96 is: 3,883,665.12
Step by Step Solution
- Step 1: Write the proportion equation
5,106,066.40 : 7,046,414.52 = 2,814,232.96 : x - Step 2: Convert to fraction form
5,106,066.40/7,046,414.52 = 2,814,232.96/x - Step 3: Cross multiply
5,106,066.40x = 7,046,414.52 × 2,814,232.96 - Step 4: Simplify right side
5,106,066.40x = 19,830,251,992,006.58 - Step 5: Solve for x
x = 19,830,251,992,006.58/5,106,066.40 - Step 6: Final answer
x = 3,883,665.12
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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.