Finding the Fourth Proportional to 3,230,750.90, 4,458,453.78 and 1,853,984.99
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Solution
The fourth proportional to 3,230,750.90, 4,458,453.78 and 1,853,984.99 is: 2,558,509.35
Step by Step Solution
- Step 1: Write the proportion equation
3,230,750.90 : 4,458,453.78 = 1,853,984.99 : x - Step 2: Convert to fraction form
3,230,750.90/4,458,453.78 = 1,853,984.99/x - Step 3: Cross multiply
3,230,750.90x = 4,458,453.78 × 1,853,984.99 - Step 4: Simplify right side
3,230,750.90x = 8,265,906,386,728.76 - Step 5: Solve for x
x = 8,265,906,386,728.76/3,230,750.90 - Step 6: Final answer
x = 2,558,509.35
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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.