Finding the Fourth Proportional to 5,713,940.22, 7,885,296.99 and 3,135,787.98
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Solution
The fourth proportional to 5,713,940.22, 7,885,296.99 and 3,135,787.98 is: 4,327,420.06
Step by Step Solution
- Step 1: Write the proportion equation
5,713,940.22 : 7,885,296.99 = 3,135,787.98 : x - Step 2: Convert to fraction form
5,713,940.22/7,885,296.99 = 3,135,787.98/x - Step 3: Cross multiply
5,713,940.22x = 7,885,296.99 × 3,135,787.98 - Step 4: Simplify right side
5,713,940.22x = 24,726,619,519,972.18 - Step 5: Solve for x
x = 24,726,619,519,972.18/5,713,940.22 - Step 6: Final answer
x = 4,327,420.06
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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.