Finding the Fourth Proportional to 1,840,408.36, 2,539,172.82 and 1,115,024.20
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Solution
The fourth proportional to 1,840,408.36, 2,539,172.82 and 1,115,024.20 is: 1,538,375.51
Step by Step Solution
- Step 1: Write the proportion equation
1,840,408.36 : 2,539,172.82 = 1,115,024.20 : x - Step 2: Convert to fraction form
1,840,408.36/2,539,172.82 = 1,115,024.20/x - Step 3: Cross multiply
1,840,408.36x = 2,539,172.82 × 1,115,024.20 - Step 4: Simplify right side
1,840,408.36x = 2,831,239,142,282.24 - Step 5: Solve for x
x = 2,831,239,142,282.24/1,840,408.36 - Step 6: Final answer
x = 1,538,375.51
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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.