Finding the Fourth Proportional to 2,876,251.76, 3,968,673 and 1,730,405.96
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Solution
The fourth proportional to 2,876,251.76, 3,968,673 and 1,730,405.96 is: 2,387,626.67
Step by Step Solution
- Step 1: Write the proportion equation
2,876,251.76 : 3,968,673 = 1,730,405.96 : x - Step 2: Convert to fraction form
2,876,251.76/3,968,673 = 1,730,405.96/x - Step 3: Cross multiply
2,876,251.76x = 3,968,673 × 1,730,405.96 - Step 4: Simplify right side
2,876,251.76x = 6,867,415,412,491.08 - Step 5: Solve for x
x = 6,867,415,412,491.08/2,876,251.76 - Step 6: Final answer
x = 2,387,626.67
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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.