Finding the Fourth Proportional to 4,920,841.13, 6,790,957.58 and 2,745,574.38
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Solution
The fourth proportional to 4,920,841.13, 6,790,957.58 and 2,745,574.38 is: 3,789,002.47
Step by Step Solution
- Step 1: Write the proportion equation
4,920,841.13 : 6,790,957.58 = 2,745,574.38 : x - Step 2: Convert to fraction form
4,920,841.13/6,790,957.58 = 2,745,574.38/x - Step 3: Cross multiply
4,920,841.13x = 6,790,957.58 × 2,745,574.38 - Step 4: Simplify right side
4,920,841.13x = 18,645,079,154,178.73 - Step 5: Solve for x
x = 18,645,079,154,178.73/4,920,841.13 - Step 6: Final answer
x = 3,789,002.47
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1.5x scale
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.