Finding the Fourth Proportional to 2,378,874.88, 3,281,353.74 and 1,411,319.95
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Solution
The fourth proportional to 2,378,874.88, 3,281,353.74 and 1,411,319.95 is: 1,946,735.43
Step by Step Solution
- Step 1: Write the proportion equation
2,378,874.88 : 3,281,353.74 = 1,411,319.95 : x - Step 2: Convert to fraction form
2,378,874.88/3,281,353.74 = 1,411,319.95/x - Step 3: Cross multiply
2,378,874.88x = 3,281,353.74 × 1,411,319.95 - Step 4: Simplify right side
2,378,874.88x = 4,631,040,006,523.34 - Step 5: Solve for x
x = 4,631,040,006,523.34/2,378,874.88 - Step 6: Final answer
x = 1,946,735.43
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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.