Finding the Fourth Proportional to 1,508,305.92, 2,081,408.64 and 829,237.12
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Solution
The fourth proportional to 1,508,305.92, 2,081,408.64 and 829,237.12 is: 1,144,317.80
Step by Step Solution
- Step 1: Write the proportion equation
1,508,305.92 : 2,081,408.64 = 829,237.12 : x - Step 2: Convert to fraction form
1,508,305.92/2,081,408.64 = 829,237.12/x - Step 3: Cross multiply
1,508,305.92x = 2,081,408.64 × 829,237.12 - Step 4: Simplify right side
1,508,305.92x = 1,725,981,306,176.72 - Step 5: Solve for x
x = 1,725,981,306,176.72/1,508,305.92 - Step 6: Final answer
x = 1,144,317.80
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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.