Finding the Fourth Proportional to 2,538,090.21, 3,806,933.49 and 1,020,703.44
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Solution
The fourth proportional to 2,538,090.21, 3,806,933.49 and 1,020,703.44 is: 1,530,974.00
Step by Step Solution
- Step 1: Write the proportion equation
2,538,090.21 : 3,806,933.49 = 1,020,703.44 : x - Step 2: Convert to fraction form
2,538,090.21/3,806,933.49 = 1,020,703.44/x - Step 3: Cross multiply
2,538,090.21x = 3,806,933.49 × 1,020,703.44 - Step 4: Simplify right side
2,538,090.21x = 3,885,750,109,094.21 - Step 5: Solve for x
x = 3,885,750,109,094.21/2,538,090.21 - Step 6: Final answer
x = 1,530,974.00
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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.