Finding the Fourth Proportional to 6,384,678.02, 8,811,043.08 and 3,484,256.09
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Solution
The fourth proportional to 6,384,678.02, 8,811,043.08 and 3,484,256.09 is: 4,808,375.68
Step by Step Solution
- Step 1: Write the proportion equation
6,384,678.02 : 8,811,043.08 = 3,484,256.09 : x - Step 2: Convert to fraction form
6,384,678.02/8,811,043.08 = 3,484,256.09/x - Step 3: Cross multiply
6,384,678.02x = 8,811,043.08 × 3,484,256.09 - Step 4: Simplify right side
6,384,678.02x = 30,699,930,510,742.36 - Step 5: Solve for x
x = 30,699,930,510,742.36/6,384,678.02 - Step 6: Final answer
x = 4,808,375.68
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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.