Finding the Fourth Proportional to 3,669,495.20, 5,504,242.80 and 3,102,624.80
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Solution
The fourth proportional to 3,669,495.20, 5,504,242.80 and 3,102,624.80 is: 4,653,937.20
Step by Step Solution
- Step 1: Write the proportion equation
3,669,495.20 : 5,504,242.80 = 3,102,624.80 : x - Step 2: Convert to fraction form
3,669,495.20/5,504,242.80 = 3,102,624.80/x - Step 3: Cross multiply
3,669,495.20x = 5,504,242.80 × 3,102,624.80 - Step 4: Simplify right side
3,669,495.20x = 17,077,600,216,501.44 - Step 5: Solve for x
x = 17,077,600,216,501.44/3,669,495.20 - Step 6: Final answer
x = 4,653,937.20
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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.