Finding the Fourth Proportional to 4,914,699.36, 6,782,316.62 and 2,739,380.64
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Solution
The fourth proportional to 4,914,699.36, 6,782,316.62 and 2,739,380.64 is: 3,780,362.84
Step by Step Solution
- Step 1: Write the proportion equation
4,914,699.36 : 6,782,316.62 = 2,739,380.64 : x - Step 2: Convert to fraction form
4,914,699.36/6,782,316.62 = 2,739,380.64/x - Step 3: Cross multiply
4,914,699.36x = 6,782,316.62 × 2,739,380.64 - Step 4: Simplify right side
4,914,699.36x = 18,579,346,843,178.24 - Step 5: Solve for x
x = 18,579,346,843,178.24/4,914,699.36 - Step 6: Final answer
x = 3,780,362.84
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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.