Finding the Fourth Proportional to 7,629,273.12, 11,443,919.40 and 1,949,502.96
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Solution
The fourth proportional to 7,629,273.12, 11,443,919.40 and 1,949,502.96 is: 2,924,256.92
Step by Step Solution
- Step 1: Write the proportion equation
7,629,273.12 : 11,443,919.40 = 1,949,502.96 : x - Step 2: Convert to fraction form
7,629,273.12/11,443,919.40 = 1,949,502.96/x - Step 3: Cross multiply
7,629,273.12x = 11,443,919.40 × 1,949,502.96 - Step 4: Simplify right side
7,629,273.12x = 22,309,954,744,301.43 - Step 5: Solve for x
x = 22,309,954,744,301.43/7,629,273.12 - Step 6: Final answer
x = 2,924,256.92
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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.