Finding the Fourth Proportional to 3,108,427.75, 4,662,905.70 and 864,565.75
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Solution
The fourth proportional to 3,108,427.75, 4,662,905.70 and 864,565.75 is: 1,296,922.07
Step by Step Solution
- Step 1: Write the proportion equation
3,108,427.75 : 4,662,905.70 = 864,565.75 : x - Step 2: Convert to fraction form
3,108,427.75/4,662,905.70 = 864,565.75/x - Step 3: Cross multiply
3,108,427.75x = 4,662,905.70 × 864,565.75 - Step 4: Simplify right side
3,108,427.75x = 4,031,388,563,699.78 - Step 5: Solve for x
x = 4,031,388,563,699.78/3,108,427.75 - Step 6: Final answer
x = 1,296,922.07
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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.