Finding the Fourth Proportional to 1,672,283.46, 2,308,708.70 and 1,100,984.38
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Solution
The fourth proportional to 1,672,283.46, 2,308,708.70 and 1,100,984.38 is: 1,519,988.85
Step by Step Solution
- Step 1: Write the proportion equation
1,672,283.46 : 2,308,708.70 = 1,100,984.38 : x - Step 2: Convert to fraction form
1,672,283.46/2,308,708.70 = 1,100,984.38/x - Step 3: Cross multiply
1,672,283.46x = 2,308,708.70 × 1,100,984.38 - Step 4: Simplify right side
1,672,283.46x = 2,541,852,216,670.11 - Step 5: Solve for x
x = 2,541,852,216,670.11/1,672,283.46 - Step 6: Final answer
x = 1,519,988.85
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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.