Finding the Fourth Proportional to 2,815,401.70, 4,223,102.55 and 2,461,107.70
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Solution
The fourth proportional to 2,815,401.70, 4,223,102.55 and 2,461,107.70 is: 3,691,661.55
Step by Step Solution
- Step 1: Write the proportion equation
2,815,401.70 : 4,223,102.55 = 2,461,107.70 : x - Step 2: Convert to fraction form
2,815,401.70/4,223,102.55 = 2,461,107.70/x - Step 3: Cross multiply
2,815,401.70x = 4,223,102.55 × 2,461,107.70 - Step 4: Simplify right side
2,815,401.70x = 10,393,510,203,694.63 - Step 5: Solve for x
x = 10,393,510,203,694.63/2,815,401.70 - Step 6: Final answer
x = 3,691,661.55
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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.