Finding the Fourth Proportional to 1,908,626.07, 2,633,857.72 and 1,037,440.09
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Solution
The fourth proportional to 1,908,626.07, 2,633,857.72 and 1,037,440.09 is: 1,431,642.18
Step by Step Solution
- Step 1: Write the proportion equation
1,908,626.07 : 2,633,857.72 = 1,037,440.09 : x - Step 2: Convert to fraction form
1,908,626.07/2,633,857.72 = 1,037,440.09/x - Step 3: Cross multiply
1,908,626.07x = 2,633,857.72 × 1,037,440.09 - Step 4: Simplify right side
1,908,626.07x = 2,732,469,590,084.00 - Step 5: Solve for x
x = 2,732,469,590,084.00/1,908,626.07 - Step 6: Final answer
x = 1,431,642.18
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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.