Finding the Fourth Proportional to 4,178,013.70, 5,765,370.23 and 2,317,253.62
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Solution
The fourth proportional to 4,178,013.70, 5,765,370.23 and 2,317,253.62 is: 3,197,649.88
Step by Step Solution
- Step 1: Write the proportion equation
4,178,013.70 : 5,765,370.23 = 2,317,253.62 : x - Step 2: Convert to fraction form
4,178,013.70/5,765,370.23 = 2,317,253.62/x - Step 3: Cross multiply
4,178,013.70x = 5,765,370.23 × 2,317,253.62 - Step 4: Simplify right side
4,178,013.70x = 13,359,825,025,262.96 - Step 5: Solve for x
x = 13,359,825,025,262.96/4,178,013.70 - Step 6: Final answer
x = 3,197,649.88
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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.