Finding the Fourth Proportional to 1,603,277.92, 2,212,444.59 and 878,128.84
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Solution
The fourth proportional to 1,603,277.92, 2,212,444.59 and 878,128.84 is: 1,211,774.56
Step by Step Solution
- Step 1: Write the proportion equation
1,603,277.92 : 2,212,444.59 = 878,128.84 : x - Step 2: Convert to fraction form
1,603,277.92/2,212,444.59 = 878,128.84/x - Step 3: Cross multiply
1,603,277.92x = 2,212,444.59 × 878,128.84 - Step 4: Simplify right side
1,603,277.92x = 1,942,811,401,380.98 - Step 5: Solve for x
x = 1,942,811,401,380.98/1,603,277.92 - Step 6: Final answer
x = 1,211,774.56
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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.