Finding the Fourth Proportional to 2,331,338.20, 3,497,007.30 and 648,441.70
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Solution
The fourth proportional to 2,331,338.20, 3,497,007.30 and 648,441.70 is: 972,662.55
Step by Step Solution
- Step 1: Write the proportion equation
2,331,338.20 : 3,497,007.30 = 648,441.70 : x - Step 2: Convert to fraction form
2,331,338.20/3,497,007.30 = 648,441.70/x - Step 3: Cross multiply
2,331,338.20x = 3,497,007.30 × 648,441.70 - Step 4: Simplify right side
2,331,338.20x = 2,267,605,358,524.41 - Step 5: Solve for x
x = 2,267,605,358,524.41/2,331,338.20 - Step 6: Final answer
x = 972,662.55
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1.5x scale
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.