Finding the Fourth Proportional to 2,247,290.46, 3,101,273.82 and 1,228,695.21
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Solution
The fourth proportional to 2,247,290.46, 3,101,273.82 and 1,228,695.21 is: 1,695,606.49
Step by Step Solution
- Step 1: Write the proportion equation
2,247,290.46 : 3,101,273.82 = 1,228,695.21 : x - Step 2: Convert to fraction form
2,247,290.46/3,101,273.82 = 1,228,695.21/x - Step 3: Cross multiply
2,247,290.46x = 3,101,273.82 × 1,228,695.21 - Step 4: Simplify right side
2,247,290.46x = 3,810,520,287,532.40 - Step 5: Solve for x
x = 3,810,520,287,532.40/2,247,290.46 - Step 6: Final answer
x = 1,695,606.49
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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.