Finding the Fourth Proportional to 3,101,783.20, 4,652,820.60 and 971,936.80
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Solution
The fourth proportional to 3,101,783.20, 4,652,820.60 and 971,936.80 is: 1,457,950.89
Step by Step Solution
- Step 1: Write the proportion equation
3,101,783.20 : 4,652,820.60 = 971,936.80 : x - Step 2: Convert to fraction form
3,101,783.20/4,652,820.60 = 971,936.80/x - Step 3: Cross multiply
3,101,783.20x = 4,652,820.60 × 971,936.80 - Step 4: Simplify right side
3,101,783.20x = 4,522,247,564,938.08 - Step 5: Solve for x
x = 4,522,247,564,938.08/3,101,783.20 - Step 6: Final answer
x = 1,457,950.89
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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.