Finding the Fourth Proportional to 4,101,872.21, 5,660,697.78 and 2,266,448.75
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Solution
The fourth proportional to 4,101,872.21, 5,660,697.78 and 2,266,448.75 is: 3,127,762.34
Step by Step Solution
- Step 1: Write the proportion equation
4,101,872.21 : 5,660,697.78 = 2,266,448.75 : x - Step 2: Convert to fraction form
4,101,872.21/5,660,697.78 = 2,266,448.75/x - Step 3: Cross multiply
4,101,872.21x = 5,660,697.78 × 2,266,448.75 - Step 4: Simplify right side
4,101,872.21x = 12,829,681,407,608.78 - Step 5: Solve for x
x = 12,829,681,407,608.78/4,101,872.21 - Step 6: Final answer
x = 3,127,762.34
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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.