Finding the Fourth Proportional to 4,021,077.42, 5,549,142.97 and 2,185,535.14
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Solution
The fourth proportional to 4,021,077.42, 5,549,142.97 and 2,185,535.14 is: 3,016,069.00
Step by Step Solution
- Step 1: Write the proportion equation
4,021,077.42 : 5,549,142.97 = 2,185,535.14 : x - Step 2: Convert to fraction form
4,021,077.42/5,549,142.97 = 2,185,535.14/x - Step 3: Cross multiply
4,021,077.42x = 5,549,142.97 × 2,185,535.14 - Step 4: Simplify right side
4,021,077.42x = 12,127,846,957,818.97 - Step 5: Solve for x
x = 12,127,846,957,818.97/4,021,077.42 - Step 6: Final answer
x = 3,016,069.00
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1.5x scale
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.