Finding the Fourth Proportional to 4,791,923.04, 6,613,121.84 and 2,616,668.18
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Solution
The fourth proportional to 4,791,923.04, 6,613,121.84 and 2,616,668.18 is: 3,611,148.45
Step by Step Solution
- Step 1: Write the proportion equation
4,791,923.04 : 6,613,121.84 = 2,616,668.18 : x - Step 2: Convert to fraction form
4,791,923.04/6,613,121.84 = 2,616,668.18/x - Step 3: Cross multiply
4,791,923.04x = 6,613,121.84 × 2,616,668.18 - Step 4: Simplify right side
4,791,923.04x = 17,304,345,443,042.10 - Step 5: Solve for x
x = 17,304,345,443,042.10/4,791,923.04 - Step 6: Final answer
x = 3,611,148.45
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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.