Finding the Fourth Proportional to 2,399,011.20, 3,310,630.68 and 1,366,518.60
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Solution
The fourth proportional to 2,399,011.20, 3,310,630.68 and 1,366,518.60 is: 1,885,792.95
Step by Step Solution
- Step 1: Write the proportion equation
2,399,011.20 : 3,310,630.68 = 1,366,518.60 : x - Step 2: Convert to fraction form
2,399,011.20/3,310,630.68 = 1,366,518.60/x - Step 3: Cross multiply
2,399,011.20x = 3,310,630.68 × 1,366,518.60 - Step 4: Simplify right side
2,399,011.20x = 4,524,038,401,950.65 - Step 5: Solve for x
x = 4,524,038,401,950.65/2,399,011.20 - Step 6: Final answer
x = 1,885,792.95
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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.