Finding the Fourth Proportional to 1,639,142.26, 2,262,315.09 and 951,254.26
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Solution
The fourth proportional to 1,639,142.26, 2,262,315.09 and 951,254.26 is: 1,312,904.27
Step by Step Solution
- Step 1: Write the proportion equation
1,639,142.26 : 2,262,315.09 = 951,254.26 : x - Step 2: Convert to fraction form
1,639,142.26/2,262,315.09 = 951,254.26/x - Step 3: Cross multiply
1,639,142.26x = 2,262,315.09 × 951,254.26 - Step 4: Simplify right side
1,639,142.26x = 2,152,036,866,824.78 - Step 5: Solve for x
x = 2,152,036,866,824.78/1,639,142.26 - Step 6: Final answer
x = 1,312,904.27
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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.