Finding the Fourth Proportional to 4,312,166.40, 6,467,342.40 and 2,180,246.40
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Solution
The fourth proportional to 4,312,166.40, 6,467,342.40 and 2,180,246.40 is: 3,269,910.92
Step by Step Solution
- Step 1: Write the proportion equation
4,312,166.40 : 6,467,342.40 = 2,180,246.40 : x - Step 2: Convert to fraction form
4,312,166.40/6,467,342.40 = 2,180,246.40/x - Step 3: Cross multiply
4,312,166.40x = 6,467,342.40 × 2,180,246.40 - Step 4: Simplify right side
4,312,166.40x = 14,100,399,985,167.36 - Step 5: Solve for x
x = 14,100,399,985,167.36/4,312,166.40 - Step 6: Final answer
x = 3,269,910.92
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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.