Finding the Fourth Proportional to 1,983,919.43, 2,735,239.08 and 1,284,956.66
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Solution
The fourth proportional to 1,983,919.43, 2,735,239.08 and 1,284,956.66 is: 1,771,575.81
Step by Step Solution
- Step 1: Write the proportion equation
1,983,919.43 : 2,735,239.08 = 1,284,956.66 : x - Step 2: Convert to fraction form
1,983,919.43/2,735,239.08 = 1,284,956.66/x - Step 3: Cross multiply
1,983,919.43x = 2,735,239.08 × 1,284,956.66 - Step 4: Simplify right side
1,983,919.43x = 3,514,663,684,194.96 - Step 5: Solve for x
x = 3,514,663,684,194.96/1,983,919.43 - Step 6: Final answer
x = 1,771,575.81
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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.