Finding the Fourth Proportional to 2,436,649.20, 3,657,073.20 and 1,689,220.08
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Solution
The fourth proportional to 2,436,649.20, 3,657,073.20 and 1,689,220.08 is: 2,535,285.54
Step by Step Solution
- Step 1: Write the proportion equation
2,436,649.20 : 3,657,073.20 = 1,689,220.08 : x - Step 2: Convert to fraction form
2,436,649.20/3,657,073.20 = 1,689,220.08/x - Step 3: Cross multiply
2,436,649.20x = 3,657,073.20 × 1,689,220.08 - Step 4: Simplify right side
2,436,649.20x = 6,177,601,483,469.86 - Step 5: Solve for x
x = 6,177,601,483,469.86/2,436,649.20 - Step 6: Final answer
x = 2,535,285.54
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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.