Finding the Fourth Proportional to 1,478,377.23, 2,040,163.47 and 799,313.73
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Solution
The fourth proportional to 1,478,377.23, 2,040,163.47 and 799,313.73 is: 1,103,054.51
Step by Step Solution
- Step 1: Write the proportion equation
1,478,377.23 : 2,040,163.47 = 799,313.73 : x - Step 2: Convert to fraction form
1,478,377.23/2,040,163.47 = 799,313.73/x - Step 3: Cross multiply
1,478,377.23x = 2,040,163.47 × 799,313.73 - Step 4: Simplify right side
1,478,377.23x = 1,630,730,673,015.44 - Step 5: Solve for x
x = 1,630,730,673,015.44/1,478,377.23 - Step 6: Final answer
x = 1,103,054.51
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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.