Finding the Fourth Proportional to 5,456,888.64, 8,186,173.74 and 1,861,817.58
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Solution
The fourth proportional to 5,456,888.64, 8,186,173.74 and 1,861,817.58 is: 2,793,013.23
Step by Step Solution
- Step 1: Write the proportion equation
5,456,888.64 : 8,186,173.74 = 1,861,817.58 : x - Step 2: Convert to fraction form
5,456,888.64/8,186,173.74 = 1,861,817.58/x - Step 3: Cross multiply
5,456,888.64x = 8,186,173.74 × 1,861,817.58 - Step 4: Simplify right side
5,456,888.64x = 15,241,162,182,066.35 - Step 5: Solve for x
x = 15,241,162,182,066.35/5,456,888.64 - Step 6: Final answer
x = 2,793,013.23
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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.