Finding the Fourth Proportional to 1,769,664.42, 2,650,363.20 and 1,626,765.84
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Solution
The fourth proportional to 1,769,664.42, 2,650,363.20 and 1,626,765.84 is: 2,436,349.10
Step by Step Solution
- Step 1: Write the proportion equation
1,769,664.42 : 2,650,363.20 = 1,626,765.84 : x - Step 2: Convert to fraction form
1,769,664.42/2,650,363.20 = 1,626,765.84/x - Step 3: Cross multiply
1,769,664.42x = 2,650,363.20 × 1,626,765.84 - Step 4: Simplify right side
1,769,664.42x = 4,311,520,317,353.09 - Step 5: Solve for x
x = 4,311,520,317,353.09/1,769,664.42 - Step 6: Final answer
x = 2,436,349.10
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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.