Finding the Fourth Proportional to 3,101,370.44, 4,279,264.02 and 1,811,961.72
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Solution
The fourth proportional to 3,101,370.44, 4,279,264.02 and 1,811,961.72 is: 2,500,140.75
Step by Step Solution
- Step 1: Write the proportion equation
3,101,370.44 : 4,279,264.02 = 1,811,961.72 : x - Step 2: Convert to fraction form
3,101,370.44/4,279,264.02 = 1,811,961.72/x - Step 3: Cross multiply
3,101,370.44x = 4,279,264.02 × 1,811,961.72 - Step 4: Simplify right side
3,101,370.44x = 7,753,862,594,013.31 - Step 5: Solve for x
x = 7,753,862,594,013.31/3,101,370.44 - Step 6: Final answer
x = 2,500,140.75
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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.