Finding the Fourth Proportional to 5,266,722.82, 7,268,668.56 and 2,975,031.12
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Solution
The fourth proportional to 5,266,722.82, 7,268,668.56 and 2,975,031.12 is: 4,105,876.82
Step by Step Solution
- Step 1: Write the proportion equation
5,266,722.82 : 7,268,668.56 = 2,975,031.12 : x - Step 2: Convert to fraction form
5,266,722.82/7,268,668.56 = 2,975,031.12/x - Step 3: Cross multiply
5,266,722.82x = 7,268,668.56 × 2,975,031.12 - Step 4: Simplify right side
5,266,722.82x = 21,624,515,166,965.59 - Step 5: Solve for x
x = 21,624,515,166,965.59/5,266,722.82 - Step 6: Final answer
x = 4,105,876.82
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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.