Finding the Fourth Proportional to 2,880,449.76, 4,320,622.80 and 987,201.12
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Solution
The fourth proportional to 2,880,449.76, 4,320,622.80 and 987,201.12 is: 1,480,783.91
Step by Step Solution
- Step 1: Write the proportion equation
2,880,449.76 : 4,320,622.80 = 987,201.12 : x - Step 2: Convert to fraction form
2,880,449.76/4,320,622.80 = 987,201.12/x - Step 3: Cross multiply
2,880,449.76x = 4,320,622.80 × 987,201.12 - Step 4: Simplify right side
2,880,449.76x = 4,265,323,667,257.54 - Step 5: Solve for x
x = 4,265,323,667,257.54/2,880,449.76 - Step 6: Final answer
x = 1,480,783.91
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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.