Finding the Fourth Proportional to 1,643,523.36, 2,268,359.76 and 1,063,460.64
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Solution
The fourth proportional to 1,643,523.36, 2,268,359.76 and 1,063,460.64 is: 1,467,768.20
Step by Step Solution
- Step 1: Write the proportion equation
1,643,523.36 : 2,268,359.76 = 1,063,460.64 : x - Step 2: Convert to fraction form
1,643,523.36/2,268,359.76 = 1,063,460.64/x - Step 3: Cross multiply
1,643,523.36x = 2,268,359.76 × 1,063,460.64 - Step 4: Simplify right side
1,643,523.36x = 2,412,311,322,119.85 - Step 5: Solve for x
x = 2,412,311,322,119.85/1,643,523.36 - Step 6: Final answer
x = 1,467,768.20
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.