Finding the Fourth Proportional to 2,051,548.91, 2,831,202.62 and 1,121,236.26
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Solution
The fourth proportional to 2,051,548.91, 2,831,202.62 and 1,121,236.26 is: 1,547,341.63
Step by Step Solution
- Step 1: Write the proportion equation
2,051,548.91 : 2,831,202.62 = 1,121,236.26 : x - Step 2: Convert to fraction form
2,051,548.91/2,831,202.62 = 1,121,236.26/x - Step 3: Cross multiply
2,051,548.91x = 2,831,202.62 × 1,121,236.26 - Step 4: Simplify right side
2,051,548.91x = 3,174,447,031,344.82 - Step 5: Solve for x
x = 3,174,447,031,344.82/2,051,548.91 - Step 6: Final answer
x = 1,547,341.63
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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.