Finding the Fourth Proportional to 5,647,322.90, 8,471,182.92 and 1,809,261.80
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Solution
The fourth proportional to 5,647,322.90, 8,471,182.92 and 1,809,261.80 is: 2,713,956.32
Step by Step Solution
- Step 1: Write the proportion equation
5,647,322.90 : 8,471,182.92 = 1,809,261.80 : x - Step 2: Convert to fraction form
5,647,322.90/8,471,182.92 = 1,809,261.80/x - Step 3: Cross multiply
5,647,322.90x = 8,471,182.92 × 1,809,261.80 - Step 4: Simplify right side
5,647,322.90x = 15,326,587,657,968.46 - Step 5: Solve for x
x = 15,326,587,657,968.46/5,647,322.90 - Step 6: Final answer
x = 2,713,956.32
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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.