Finding the Fourth Proportional to 3,466,528.92, 4,783,793.58 and 1,938,642.12
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Solution
The fourth proportional to 3,466,528.92, 4,783,793.58 and 1,938,642.12 is: 2,675,316.99
Step by Step Solution
- Step 1: Write the proportion equation
3,466,528.92 : 4,783,793.58 = 1,938,642.12 : x - Step 2: Convert to fraction form
3,466,528.92/4,783,793.58 = 1,938,642.12/x - Step 3: Cross multiply
3,466,528.92x = 4,783,793.58 × 1,938,642.12 - Step 4: Simplify right side
3,466,528.92x = 9,274,063,727,573.59 - Step 5: Solve for x
x = 9,274,063,727,573.59/3,466,528.92 - Step 6: Final answer
x = 2,675,316.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.