Finding the Fourth Proportional to 1,893,789.72, 2,613,443.66 and 1,034,349.99
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Solution
The fourth proportional to 1,893,789.72, 2,613,443.66 and 1,034,349.99 is: 1,427,410.55
Step by Step Solution
- Step 1: Write the proportion equation
1,893,789.72 : 2,613,443.66 = 1,034,349.99 : x - Step 2: Convert to fraction form
1,893,789.72/2,613,443.66 = 1,034,349.99/x - Step 3: Cross multiply
1,893,789.72x = 2,613,443.66 × 1,034,349.99 - Step 4: Simplify right side
1,893,789.72x = 2,703,215,418,414.81 - Step 5: Solve for x
x = 2,703,215,418,414.81/1,893,789.72 - Step 6: Final answer
x = 1,427,410.55
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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.