Finding the Fourth Proportional to 2,925,431.28, 4,387,457.60 and 1,646,583.12
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Solution
The fourth proportional to 2,925,431.28, 4,387,457.60 and 1,646,583.12 is: 2,469,486.70
Step by Step Solution
- Step 1: Write the proportion equation
2,925,431.28 : 4,387,457.60 = 1,646,583.12 : x - Step 2: Convert to fraction form
2,925,431.28/4,387,457.60 = 1,646,583.12/x - Step 3: Cross multiply
2,925,431.28x = 4,387,457.60 × 1,646,583.12 - Step 4: Simplify right side
2,925,431.28x = 7,224,313,623,875.71 - Step 5: Solve for x
x = 7,224,313,623,875.71/2,925,431.28 - Step 6: Final answer
x = 2,469,486.70
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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.