Finding the Fourth Proportional to 2,913,432.96, 4,023,076.14 and 1,827,571.05
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Solution
The fourth proportional to 2,913,432.96, 4,023,076.14 and 1,827,571.05 is: 2,523,640.53
Step by Step Solution
- Step 1: Write the proportion equation
2,913,432.96 : 4,023,076.14 = 1,827,571.05 : x - Step 2: Convert to fraction form
2,913,432.96/4,023,076.14 = 1,827,571.05/x - Step 3: Cross multiply
2,913,432.96x = 4,023,076.14 × 1,827,571.05 - Step 4: Simplify right side
2,913,432.96x = 7,352,457,485,409.75 - Step 5: Solve for x
x = 7,352,457,485,409.75/2,913,432.96 - Step 6: Final answer
x = 2,523,640.53
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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.