Finding the Fourth Proportional to 4,021,161.98, 5,549,240.75 and 2,185,624.49
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Solution
The fourth proportional to 4,021,161.98, 5,549,240.75 and 2,185,624.49 is: 3,016,182.02
Step by Step Solution
- Step 1: Write the proportion equation
4,021,161.98 : 5,549,240.75 = 2,185,624.49 : x - Step 2: Convert to fraction form
4,021,161.98/5,549,240.75 = 2,185,624.49/x - Step 3: Cross multiply
4,021,161.98x = 5,549,240.75 × 2,185,624.49 - Step 4: Simplify right side
4,021,161.98x = 12,128,556,445,431.64 - Step 5: Solve for x
x = 12,128,556,445,431.64/4,021,161.98 - Step 6: Final answer
x = 3,016,182.02
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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.