Finding the Fourth Proportional to 1,508,149.76, 2,081,286.40 and 829,103.36
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Solution
The fourth proportional to 1,508,149.76, 2,081,286.40 and 829,103.36 is: 1,144,184.48
Step by Step Solution
- Step 1: Write the proportion equation
1,508,149.76 : 2,081,286.40 = 829,103.36 : x - Step 2: Convert to fraction form
1,508,149.76/2,081,286.40 = 829,103.36/x - Step 3: Cross multiply
1,508,149.76x = 2,081,286.40 × 829,103.36 - Step 4: Simplify right side
1,508,149.76x = 1,725,601,547,362.30 - Step 5: Solve for x
x = 1,725,601,547,362.30/1,508,149.76 - Step 6: Final answer
x = 1,144,184.48
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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.