Finding the Fourth Proportional to 3,278,788.08, 4,524,718.74 and 1,828,485.12
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Solution
The fourth proportional to 3,278,788.08, 4,524,718.74 and 1,828,485.12 is: 2,523,304.55
Step by Step Solution
- Step 1: Write the proportion equation
3,278,788.08 : 4,524,718.74 = 1,828,485.12 : x - Step 2: Convert to fraction form
3,278,788.08/4,524,718.74 = 1,828,485.12/x - Step 3: Cross multiply
3,278,788.08x = 4,524,718.74 × 1,828,485.12 - Step 4: Simplify right side
3,278,788.08x = 8,273,380,888,275.15 - Step 5: Solve for x
x = 8,273,380,888,275.15/3,278,788.08 - Step 6: Final answer
x = 2,523,304.55
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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.