Finding the Fourth Proportional to 4,788,059.98, 7,182,042.64 and 2,193,628.83
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Solution
The fourth proportional to 4,788,059.98, 7,182,042.64 and 2,193,628.83 is: 3,290,421.56
Step by Step Solution
- Step 1: Write the proportion equation
4,788,059.98 : 7,182,042.64 = 2,193,628.83 : x - Step 2: Convert to fraction form
4,788,059.98/7,182,042.64 = 2,193,628.83/x - Step 3: Cross multiply
4,788,059.98x = 7,182,042.64 × 2,193,628.83 - Step 4: Simplify right side
4,788,059.98x = 15,754,735,800,143.54 - Step 5: Solve for x
x = 15,754,735,800,143.54/4,788,059.98 - Step 6: Final answer
x = 3,290,421.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.