Finding the Fourth Proportional to 4,427,408.70, 6,642,279.45 and 1,587,224.70
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Solution
The fourth proportional to 4,427,408.70, 6,642,279.45 and 1,587,224.70 is: 2,381,255.20
Step by Step Solution
- Step 1: Write the proportion equation
4,427,408.70 : 6,642,279.45 = 1,587,224.70 : x - Step 2: Convert to fraction form
4,427,408.70/6,642,279.45 = 1,587,224.70/x - Step 3: Cross multiply
4,427,408.70x = 6,642,279.45 × 1,587,224.70 - Step 4: Simplify right side
4,427,408.70x = 10,542,790,007,342.41 - Step 5: Solve for x
x = 10,542,790,007,342.41/4,427,408.70 - Step 6: Final answer
x = 2,381,255.20
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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.