Finding the Fourth Proportional to 6,192,034.30, 9,288,051.45 and 2,147,177.80
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Solution
The fourth proportional to 6,192,034.30, 9,288,051.45 and 2,147,177.80 is: 3,220,766.70
Step by Step Solution
- Step 1: Write the proportion equation
6,192,034.30 : 9,288,051.45 = 2,147,177.80 : x - Step 2: Convert to fraction form
6,192,034.30/9,288,051.45 = 2,147,177.80/x - Step 3: Cross multiply
6,192,034.30x = 9,288,051.45 × 2,147,177.80 - Step 4: Simplify right side
6,192,034.30x = 19,943,097,878,697.81 - Step 5: Solve for x
x = 19,943,097,878,697.81/6,192,034.30 - Step 6: Final answer
x = 3,220,766.70
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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.