Finding the Fourth Proportional to 5,176,165.99, 7,763,407.21 and 2,443,708.14
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Solution
The fourth proportional to 5,176,165.99, 7,763,407.21 and 2,443,708.14 is: 3,665,164.80
Step by Step Solution
- Step 1: Write the proportion equation
5,176,165.99 : 7,763,407.21 = 2,443,708.14 : x - Step 2: Convert to fraction form
5,176,165.99/7,763,407.21 = 2,443,708.14/x - Step 3: Cross multiply
5,176,165.99x = 7,763,407.21 × 2,443,708.14 - Step 4: Simplify right side
5,176,165.99x = 18,971,501,393,211.69 - Step 5: Solve for x
x = 18,971,501,393,211.69/5,176,165.99 - Step 6: Final answer
x = 3,665,164.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.