Finding the Fourth Proportional to 2,102,659.48, 2,901,671.27 and 1,135,789.68
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Solution
The fourth proportional to 2,102,659.48, 2,901,671.27 and 1,135,789.68 is: 1,567,390.40
Step by Step Solution
- Step 1: Write the proportion equation
2,102,659.48 : 2,901,671.27 = 1,135,789.68 : x - Step 2: Convert to fraction form
2,102,659.48/2,901,671.27 = 1,135,789.68/x - Step 3: Cross multiply
2,102,659.48x = 2,901,671.27 × 1,135,789.68 - Step 4: Simplify right side
2,102,659.48x = 3,295,688,283,218.49 - Step 5: Solve for x
x = 3,295,688,283,218.49/2,102,659.48 - Step 6: Final answer
x = 1,567,390.40
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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.