Finding the Fourth Proportional to 4,192,386.24, 6,288,580.88 and 1,313,976.42
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Solution
The fourth proportional to 4,192,386.24, 6,288,580.88 and 1,313,976.42 is: 1,970,965.11
Step by Step Solution
- Step 1: Write the proportion equation
4,192,386.24 : 6,288,580.88 = 1,313,976.42 : x - Step 2: Convert to fraction form
4,192,386.24/6,288,580.88 = 1,313,976.42/x - Step 3: Cross multiply
4,192,386.24x = 6,288,580.88 × 1,313,976.42 - Step 4: Simplify right side
4,192,386.24x = 8,263,046,991,582.85 - Step 5: Solve for x
x = 8,263,046,991,582.85/4,192,386.24 - Step 6: Final answer
x = 1,970,965.11
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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.