Finding the Fourth Proportional to 3,631,270.60, 5,446,905.90 and 971,878.60
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Solution
The fourth proportional to 3,631,270.60, 5,446,905.90 and 971,878.60 is: 1,457,817.90
Step by Step Solution
- Step 1: Write the proportion equation
3,631,270.60 : 5,446,905.90 = 971,878.60 : x - Step 2: Convert to fraction form
3,631,270.60/5,446,905.90 = 971,878.60/x - Step 3: Cross multiply
3,631,270.60x = 5,446,905.90 × 971,878.60 - Step 4: Simplify right side
3,631,270.60x = 5,293,731,280,423.74 - Step 5: Solve for x
x = 5,293,731,280,423.74/3,631,270.60 - Step 6: Final answer
x = 1,457,817.90
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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.