Finding the Fourth Proportional to 1,892,135.75, 2,838,577.50 and 694,069.20
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Solution
The fourth proportional to 1,892,135.75, 2,838,577.50 and 694,069.20 is: 1,041,240.95
Step by Step Solution
- Step 1: Write the proportion equation
1,892,135.75 : 2,838,577.50 = 694,069.20 : x - Step 2: Convert to fraction form
1,892,135.75/2,838,577.50 = 694,069.20/x - Step 3: Cross multiply
1,892,135.75x = 2,838,577.50 × 694,069.20 - Step 4: Simplify right side
1,892,135.75x = 1,970,169,214,563.00 - Step 5: Solve for x
x = 1,970,169,214,563.00/1,892,135.75 - Step 6: Final answer
x = 1,041,240.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.