Finding the Fourth Proportional to 1,394,138.22, 2,081,763.98 and 1,106,602.80
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Solution
The fourth proportional to 1,394,138.22, 2,081,763.98 and 1,106,602.80 is: 1,652,408.50
Step by Step Solution
- Step 1: Write the proportion equation
1,394,138.22 : 2,081,763.98 = 1,106,602.80 : x - Step 2: Convert to fraction form
1,394,138.22/2,081,763.98 = 1,106,602.80/x - Step 3: Cross multiply
1,394,138.22x = 2,081,763.98 × 1,106,602.80 - Step 4: Simplify right side
1,394,138.22x = 2,303,685,843,674.13 - Step 5: Solve for x
x = 2,303,685,843,674.13/1,394,138.22 - Step 6: Final answer
x = 1,652,408.50
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.