Finding the Fourth Proportional to 4,192,385.24, 6,288,579.38 and 1,313,975.42
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Solution
The fourth proportional to 4,192,385.24, 6,288,579.38 and 1,313,975.42 is: 1,970,963.60
Step by Step Solution
- Step 1: Write the proportion equation
4,192,385.24 : 6,288,579.38 = 1,313,975.42 : x - Step 2: Convert to fraction form
4,192,385.24/6,288,579.38 = 1,313,975.42/x - Step 3: Cross multiply
4,192,385.24x = 6,288,579.38 × 1,313,975.42 - Step 4: Simplify right side
4,192,385.24x = 8,263,038,727,463.05 - Step 5: Solve for x
x = 8,263,038,727,463.05/4,192,385.24 - Step 6: Final answer
x = 1,970,963.60
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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.