Finding the Fourth Proportional to 3,749,349.91, 5,174,077.12 and 2,030,431.09
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Solution
The fourth proportional to 3,749,349.91, 5,174,077.12 and 2,030,431.09 is: 2,801,980.96
Step by Step Solution
- Step 1: Write the proportion equation
3,749,349.91 : 5,174,077.12 = 2,030,431.09 : x - Step 2: Convert to fraction form
3,749,349.91/5,174,077.12 = 2,030,431.09/x - Step 3: Cross multiply
3,749,349.91x = 5,174,077.12 × 2,030,431.09 - Step 4: Simplify right side
3,749,349.91x = 10,505,607,046,505.66 - Step 5: Solve for x
x = 10,505,607,046,505.66/3,749,349.91 - Step 6: Final answer
x = 2,801,980.96
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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.