Finding the Fourth Proportional to 4,811,696.88, 6,639,297.66 and 2,745,769.20
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Solution
The fourth proportional to 4,811,696.88, 6,639,297.66 and 2,745,769.20 is: 3,788,679.85
Step by Step Solution
- Step 1: Write the proportion equation
4,811,696.88 : 6,639,297.66 = 2,745,769.20 : x - Step 2: Convert to fraction form
4,811,696.88/6,639,297.66 = 2,745,769.20/x - Step 3: Cross multiply
4,811,696.88x = 6,639,297.66 × 2,745,769.20 - Step 4: Simplify right side
4,811,696.88x = 18,229,979,024,460.07 - Step 5: Solve for x
x = 18,229,979,024,460.07/4,811,696.88 - Step 6: Final answer
x = 3,788,679.85
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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.