Finding the Fourth Proportional to 4,811,695.88, 6,639,296.28 and 2,745,768.20
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Solution
The fourth proportional to 4,811,695.88, 6,639,296.28 and 2,745,768.20 is: 3,788,678.47
Step by Step Solution
- Step 1: Write the proportion equation
4,811,695.88 : 6,639,296.28 = 2,745,768.20 : x - Step 2: Convert to fraction form
4,811,695.88/6,639,296.28 = 2,745,768.20/x - Step 3: Cross multiply
4,811,695.88x = 6,639,296.28 × 2,745,768.20 - Step 4: Simplify right side
4,811,695.88x = 18,229,968,596,002.30 - Step 5: Solve for x
x = 18,229,968,596,002.30/4,811,695.88 - Step 6: Final answer
x = 3,788,678.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.