Finding the Fourth Proportional to 2,299,450.76, 3,173,340.12 and 1,280,855.96
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Solution
The fourth proportional to 2,299,450.76, 3,173,340.12 and 1,280,855.96 is: 1,767,635.85
Step by Step Solution
- Step 1: Write the proportion equation
2,299,450.76 : 3,173,340.12 = 1,280,855.96 : x - Step 2: Convert to fraction form
2,299,450.76/3,173,340.12 = 1,280,855.96/x - Step 3: Cross multiply
2,299,450.76x = 3,173,340.12 × 1,280,855.96 - Step 4: Simplify right side
2,299,450.76x = 4,064,591,605,809.12 - Step 5: Solve for x
x = 4,064,591,605,809.12/2,299,450.76 - Step 6: Final answer
x = 1,767,635.85
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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.