Finding the Fourth Proportional to 1,577,037.09, 2,176,312.37 and 851,884.82
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Solution
The fourth proportional to 1,577,037.09, 2,176,312.37 and 851,884.82 is: 1,175,601.69
Step by Step Solution
- Step 1: Write the proportion equation
1,577,037.09 : 2,176,312.37 = 851,884.82 : x - Step 2: Convert to fraction form
1,577,037.09/2,176,312.37 = 851,884.82/x - Step 3: Cross multiply
1,577,037.09x = 2,176,312.37 × 851,884.82 - Step 4: Simplify right side
1,577,037.09x = 1,853,967,471,581.22 - Step 5: Solve for x
x = 1,853,967,471,581.22/1,577,037.09 - Step 6: Final answer
x = 1,175,601.69
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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.