Finding the Fourth Proportional to 4,368,278.40, 6,549,793.20 and 2,242,514.40
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Solution
The fourth proportional to 4,368,278.40, 6,549,793.20 and 2,242,514.40 is: 3,362,424.33
Step by Step Solution
- Step 1: Write the proportion equation
4,368,278.40 : 6,549,793.20 = 2,242,514.40 : x - Step 2: Convert to fraction form
4,368,278.40/6,549,793.20 = 2,242,514.40/x - Step 3: Cross multiply
4,368,278.40x = 6,549,793.20 × 2,242,514.40 - Step 4: Simplify right side
4,368,278.40x = 14,688,005,568,022.08 - Step 5: Solve for x
x = 14,688,005,568,022.08/4,368,278.40 - Step 6: Final answer
x = 3,362,424.33
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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.