Finding the Fourth Proportional to 6,347,744.43, 8,762,568.79 and 4,285,553.18
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Solution
The fourth proportional to 6,347,744.43, 8,762,568.79 and 4,285,553.18 is: 5,915,873.73
Step by Step Solution
- Step 1: Write the proportion equation
6,347,744.43 : 8,762,568.79 = 4,285,553.18 : x - Step 2: Convert to fraction form
6,347,744.43/8,762,568.79 = 4,285,553.18/x - Step 3: Cross multiply
6,347,744.43x = 8,762,568.79 × 4,285,553.18 - Step 4: Simplify right side
6,347,744.43x = 37,552,454,499,140.41 - Step 5: Solve for x
x = 37,552,454,499,140.41/6,347,744.43 - Step 6: Final answer
x = 5,915,873.73
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1.5x scale
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.