Finding the Fourth Proportional to 2,642,980.70, 3,955,613.70 and 2,324,116.10
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Solution
The fourth proportional to 2,642,980.70, 3,955,613.70 and 2,324,116.10 is: 3,478,385.40
Step by Step Solution
- Step 1: Write the proportion equation
2,642,980.70 : 3,955,613.70 = 2,324,116.10 : x - Step 2: Convert to fraction form
2,642,980.70/3,955,613.70 = 2,324,116.10/x - Step 3: Cross multiply
2,642,980.70x = 3,955,613.70 × 2,324,116.10 - Step 4: Simplify right side
2,642,980.70x = 9,193,305,485,550.57 - Step 5: Solve for x
x = 9,193,305,485,550.57/2,642,980.70 - Step 6: Final answer
x = 3,478,385.40
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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.