Finding the Fourth Proportional to 1,603,566.72, 2,212,922.63 and 878,440.44
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Solution
The fourth proportional to 1,603,566.72, 2,212,922.63 and 878,440.44 is: 1,212,248.12
Step by Step Solution
- Step 1: Write the proportion equation
1,603,566.72 : 2,212,922.63 = 878,440.44 : x - Step 2: Convert to fraction form
1,603,566.72/2,212,922.63 = 878,440.44/x - Step 3: Cross multiply
1,603,566.72x = 2,212,922.63 × 878,440.44 - Step 4: Simplify right side
1,603,566.72x = 1,943,920,739,277.72 - Step 5: Solve for x
x = 1,943,920,739,277.72/1,603,566.72 - Step 6: Final answer
x = 1,212,248.12
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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.