Finding the Fourth Proportional to 2,961,619.13, 4,442,428.74 and 717,757.13
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Solution
The fourth proportional to 2,961,619.13, 4,442,428.74 and 717,757.13 is: 1,076,635.70
Step by Step Solution
- Step 1: Write the proportion equation
2,961,619.13 : 4,442,428.74 = 717,757.13 : x - Step 2: Convert to fraction form
2,961,619.13/4,442,428.74 = 717,757.13/x - Step 3: Cross multiply
2,961,619.13x = 4,442,428.74 × 717,757.13 - Step 4: Simplify right side
2,961,619.13x = 3,188,584,880,439.77 - Step 5: Solve for x
x = 3,188,584,880,439.77/2,961,619.13 - Step 6: Final answer
x = 1,076,635.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.