Finding the Fourth Proportional to 1,603,689.77, 2,213,091.75 and 959,109.95
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Solution
The fourth proportional to 1,603,689.77, 2,213,091.75 and 959,109.95 is: 1,323,571.65
Step by Step Solution
- Step 1: Write the proportion equation
1,603,689.77 : 2,213,091.75 = 959,109.95 : x - Step 2: Convert to fraction form
1,603,689.77/2,213,091.75 = 959,109.95/x - Step 3: Cross multiply
1,603,689.77x = 2,213,091.75 × 959,109.95 - Step 4: Simplify right side
1,603,689.77x = 2,122,598,306,622.45 - Step 5: Solve for x
x = 2,122,598,306,622.45/1,603,689.77 - Step 6: Final answer
x = 1,323,571.65
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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.