Finding the Fourth Proportional to 2,275,125.12, 3,139,653.42 and 1,256,508
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Solution
The fourth proportional to 2,275,125.12, 3,139,653.42 and 1,256,508 is: 1,733,970.41
Step by Step Solution
- Step 1: Write the proportion equation
2,275,125.12 : 3,139,653.42 = 1,256,508 : x - Step 2: Convert to fraction form
2,275,125.12/3,139,653.42 = 1,256,508/x - Step 3: Cross multiply
2,275,125.12x = 3,139,653.42 × 1,256,508 - Step 4: Simplify right side
2,275,125.12x = 3,944,999,639,457.36 - Step 5: Solve for x
x = 3,944,999,639,457.36/2,275,125.12 - Step 6: Final answer
x = 1,733,970.41
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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.