Finding the Fourth Proportional to 4,448,206.80, 6,672,310.20 and 2,653,117.20
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Solution
The fourth proportional to 4,448,206.80, 6,672,310.20 and 2,653,117.20 is: 3,979,675.80
Step by Step Solution
- Step 1: Write the proportion equation
4,448,206.80 : 6,672,310.20 = 2,653,117.20 : x - Step 2: Convert to fraction form
4,448,206.80/6,672,310.20 = 2,653,117.20/x - Step 3: Cross multiply
4,448,206.80x = 6,672,310.20 × 2,653,117.20 - Step 4: Simplify right side
4,448,206.80x = 17,702,420,955,355.44 - Step 5: Solve for x
x = 17,702,420,955,355.44/4,448,206.80 - Step 6: Final answer
x = 3,979,675.80
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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.