Finding the Fourth Proportional to 2,135,497.40, 3,204,023.70 and 874,230.20
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Solution
The fourth proportional to 2,135,497.40, 3,204,023.70 and 874,230.20 is: 1,311,663.63
Step by Step Solution
- Step 1: Write the proportion equation
2,135,497.40 : 3,204,023.70 = 874,230.20 : x - Step 2: Convert to fraction form
2,135,497.40/3,204,023.70 = 874,230.20/x - Step 3: Cross multiply
2,135,497.40x = 3,204,023.70 × 874,230.20 - Step 4: Simplify right side
2,135,497.40x = 2,801,054,280,055.74 - Step 5: Solve for x
x = 2,801,054,280,055.74/2,135,497.40 - Step 6: Final answer
x = 1,311,663.63
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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.