Finding the Fourth Proportional to 2,979,454.20, 4,471,514.10 and 1,382,215.20
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Solution
The fourth proportional to 2,979,454.20, 4,471,514.10 and 1,382,215.20 is: 2,074,405.02
Step by Step Solution
- Step 1: Write the proportion equation
2,979,454.20 : 4,471,514.10 = 1,382,215.20 : x - Step 2: Convert to fraction form
2,979,454.20/4,471,514.10 = 1,382,215.20/x - Step 3: Cross multiply
2,979,454.20x = 4,471,514.10 × 1,382,215.20 - Step 4: Simplify right side
2,979,454.20x = 6,180,594,756,034.32 - Step 5: Solve for x
x = 6,180,594,756,034.32/2,979,454.20 - Step 6: Final answer
x = 2,074,405.02
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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.