Finding the Fourth Proportional to 3,587,819.65, 4,951,759.08 and 2,138,355.84
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Solution
The fourth proportional to 3,587,819.65, 4,951,759.08 and 2,138,355.84 is: 2,951,269.57
Step by Step Solution
- Step 1: Write the proportion equation
3,587,819.65 : 4,951,759.08 = 2,138,355.84 : x - Step 2: Convert to fraction form
3,587,819.65/4,951,759.08 = 2,138,355.84/x - Step 3: Cross multiply
3,587,819.65x = 4,951,759.08 × 2,138,355.84 - Step 4: Simplify right side
3,587,819.65x = 10,588,622,946,991.03 - Step 5: Solve for x
x = 10,588,622,946,991.03/3,587,819.65 - Step 6: Final answer
x = 2,951,269.57
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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.