Finding the Fourth Proportional to 2,193,117.12, 3,287,156.58 and 1,372,824.18
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Solution
The fourth proportional to 2,193,117.12, 3,287,156.58 and 1,372,824.18 is: 2,057,659.39
Step by Step Solution
- Step 1: Write the proportion equation
2,193,117.12 : 3,287,156.58 = 1,372,824.18 : x - Step 2: Convert to fraction form
2,193,117.12/3,287,156.58 = 1,372,824.18/x - Step 3: Cross multiply
2,193,117.12x = 3,287,156.58 × 1,372,824.18 - Step 4: Simplify right side
2,193,117.12x = 4,512,688,036,470.10 - Step 5: Solve for x
x = 4,512,688,036,470.10/2,193,117.12 - Step 6: Final answer
x = 2,057,659.39
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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.