Finding the Fourth Proportional to 4,186,739.88, 5,777,679.16 and 2,351,275.54
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Solution
The fourth proportional to 4,186,739.88, 5,777,679.16 and 2,351,275.54 is: 3,244,747.96
Step by Step Solution
- Step 1: Write the proportion equation
4,186,739.88 : 5,777,679.16 = 2,351,275.54 : x - Step 2: Convert to fraction form
4,186,739.88/5,777,679.16 = 2,351,275.54/x - Step 3: Cross multiply
4,186,739.88x = 5,777,679.16 × 2,351,275.54 - Step 4: Simplify right side
4,186,739.88x = 13,584,915,686,875.75 - Step 5: Solve for x
x = 13,584,915,686,875.75/4,186,739.88 - Step 6: Final answer
x = 3,244,747.96
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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.