Finding the Fourth Proportional to 3,658,694.85, 5,485,914.99 and 1,384,394.94
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Solution
The fourth proportional to 3,658,694.85, 5,485,914.99 and 1,384,394.94 is: 2,075,787.47
Step by Step Solution
- Step 1: Write the proportion equation
3,658,694.85 : 5,485,914.99 = 1,384,394.94 : x - Step 2: Convert to fraction form
3,658,694.85/5,485,914.99 = 1,384,394.94/x - Step 3: Cross multiply
3,658,694.85x = 5,485,914.99 × 1,384,394.94 - Step 4: Simplify right side
3,658,694.85x = 7,594,672,933,427.90 - Step 5: Solve for x
x = 7,594,672,933,427.90/3,658,694.85 - Step 6: Final answer
x = 2,075,787.47
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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.