Finding the Fourth Proportional to 4,043,116.14, 5,579,457.78 and 2,207,568.66
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Solution
The fourth proportional to 4,043,116.14, 5,579,457.78 and 2,207,568.66 is: 3,046,421.55
Step by Step Solution
- Step 1: Write the proportion equation
4,043,116.14 : 5,579,457.78 = 2,207,568.66 : x - Step 2: Convert to fraction form
4,043,116.14/5,579,457.78 = 2,207,568.66/x - Step 3: Cross multiply
4,043,116.14x = 5,579,457.78 × 2,207,568.66 - Step 4: Simplify right side
4,043,116.14x = 12,317,036,134,921.18 - Step 5: Solve for x
x = 12,317,036,134,921.18/4,043,116.14 - Step 6: Final answer
x = 3,046,421.55
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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.