Finding the Fourth Proportional to 3,456,352.60, 5,175,456.90 and 2,439,986.20
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Solution
The fourth proportional to 3,456,352.60, 5,175,456.90 and 2,439,986.20 is: 3,653,574.99
Step by Step Solution
- Step 1: Write the proportion equation
3,456,352.60 : 5,175,456.90 = 2,439,986.20 : x - Step 2: Convert to fraction form
3,456,352.60/5,175,456.90 = 2,439,986.20/x - Step 3: Cross multiply
3,456,352.60x = 5,175,456.90 × 2,439,986.20 - Step 4: Simplify right side
3,456,352.60x = 12,628,043,414,694.78 - Step 5: Solve for x
x = 12,628,043,414,694.78/3,456,352.60 - Step 6: Final answer
x = 3,653,574.99
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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.