Finding the Fourth Proportional to 1,838,315.22, 2,757,546.99 and 640,358.70
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Solution
The fourth proportional to 1,838,315.22, 2,757,546.99 and 640,358.70 is: 960,563.88
Step by Step Solution
- Step 1: Write the proportion equation
1,838,315.22 : 2,757,546.99 = 640,358.70 : x - Step 2: Convert to fraction form
1,838,315.22/2,757,546.99 = 640,358.70/x - Step 3: Cross multiply
1,838,315.22x = 2,757,546.99 × 640,358.70 - Step 4: Simplify right side
1,838,315.22x = 1,765,819,205,705.31 - Step 5: Solve for x
x = 1,765,819,205,705.31/1,838,315.22 - Step 6: Final answer
x = 960,563.88
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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.