Finding the Fourth Proportional to 2,149,862.10, 3,224,793.15 and 1,203,109.80
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Solution
The fourth proportional to 2,149,862.10, 3,224,793.15 and 1,203,109.80 is: 1,804,664.70
Step by Step Solution
- Step 1: Write the proportion equation
2,149,862.10 : 3,224,793.15 = 1,203,109.80 : x - Step 2: Convert to fraction form
2,149,862.10/3,224,793.15 = 1,203,109.80/x - Step 3: Cross multiply
2,149,862.10x = 3,224,793.15 × 1,203,109.80 - Step 4: Simplify right side
2,149,862.10x = 3,879,780,241,737.87 - Step 5: Solve for x
x = 3,879,780,241,737.87/2,149,862.10 - Step 6: Final answer
x = 1,804,664.70
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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.