Finding the Fourth Proportional to 4,170,125.28, 6,255,980.88 and 1,436,947.68
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Solution
The fourth proportional to 4,170,125.28, 6,255,980.88 and 1,436,947.68 is: 2,155,694.76
Step by Step Solution
- Step 1: Write the proportion equation
4,170,125.28 : 6,255,980.88 = 1,436,947.68 : x - Step 2: Convert to fraction form
4,170,125.28/6,255,980.88 = 1,436,947.68/x - Step 3: Cross multiply
4,170,125.28x = 6,255,980.88 × 1,436,947.68 - Step 4: Simplify right side
4,170,125.28x = 8,989,517,211,640.36 - Step 5: Solve for x
x = 8,989,517,211,640.36/4,170,125.28 - Step 6: Final answer
x = 2,155,694.76
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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.