Finding the Fourth Proportional to 4,861,954.94, 7,292,937.87 and 1,267,718.85
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Solution
The fourth proportional to 4,861,954.94, 7,292,937.87 and 1,267,718.85 is: 1,901,579.70
Step by Step Solution
- Step 1: Write the proportion equation
4,861,954.94 : 7,292,937.87 = 1,267,718.85 : x - Step 2: Convert to fraction form
4,861,954.94/7,292,937.87 = 1,267,718.85/x - Step 3: Cross multiply
4,861,954.94x = 7,292,937.87 × 1,267,718.85 - Step 4: Simplify right side
4,861,954.94x = 9,245,394,809,677.85 - Step 5: Solve for x
x = 9,245,394,809,677.85/4,861,954.94 - Step 6: Final answer
x = 1,901,579.70
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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.