Finding the Fourth Proportional to 4,641,495.48, 6,963,668.82 and 2,215,744.20
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Solution
The fourth proportional to 4,641,495.48, 6,963,668.82 and 2,215,744.20 is: 3,324,296.85
Step by Step Solution
- Step 1: Write the proportion equation
4,641,495.48 : 6,963,668.82 = 2,215,744.20 : x - Step 2: Convert to fraction form
4,641,495.48/6,963,668.82 = 2,215,744.20/x - Step 3: Cross multiply
4,641,495.48x = 6,963,668.82 × 2,215,744.20 - Step 4: Simplify right side
4,641,495.48x = 15,429,708,798,635.85 - Step 5: Solve for x
x = 15,429,708,798,635.85/4,641,495.48 - Step 6: Final answer
x = 3,324,296.85
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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.