Finding the Fourth Proportional to 1,902,349.21, 2,625,232.15 and 1,031,180.54
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Solution
The fourth proportional to 1,902,349.21, 2,625,232.15 and 1,031,180.54 is: 1,423,023.86
Step by Step Solution
- Step 1: Write the proportion equation
1,902,349.21 : 2,625,232.15 = 1,031,180.54 : x - Step 2: Convert to fraction form
1,902,349.21/2,625,232.15 = 1,031,180.54/x - Step 3: Cross multiply
1,902,349.21x = 2,625,232.15 × 1,031,180.54 - Step 4: Simplify right side
1,902,349.21x = 2,707,088,310,047.49 - Step 5: Solve for x
x = 2,707,088,310,047.49/1,902,349.21 - Step 6: Final answer
x = 1,423,023.86
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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.