Finding the Fourth Proportional to 3,554,826.75, 4,905,664.16 and 1,945,194.75
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Solution
The fourth proportional to 3,554,826.75, 4,905,664.16 and 1,945,194.75 is: 2,684,370.53
Step by Step Solution
- Step 1: Write the proportion equation
3,554,826.75 : 4,905,664.16 = 1,945,194.75 : x - Step 2: Convert to fraction form
3,554,826.75/4,905,664.16 = 1,945,194.75/x - Step 3: Cross multiply
3,554,826.75x = 4,905,664.16 × 1,945,194.75 - Step 4: Simplify right side
3,554,826.75x = 9,542,472,159,569.19 - Step 5: Solve for x
x = 9,542,472,159,569.19/3,554,826.75 - Step 6: Final answer
x = 2,684,370.53
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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.