Finding the Fourth Proportional to 4,653,361.20, 6,979,994.28 and 1,815,466.80
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Solution
The fourth proportional to 4,653,361.20, 6,979,994.28 and 1,815,466.80 is: 2,723,181.66
Step by Step Solution
- Step 1: Write the proportion equation
4,653,361.20 : 6,979,994.28 = 1,815,466.80 : x - Step 2: Convert to fraction form
4,653,361.20/6,979,994.28 = 1,815,466.80/x - Step 3: Cross multiply
4,653,361.20x = 6,979,994.28 × 1,815,466.80 - Step 4: Simplify right side
4,653,361.20x = 12,671,947,879,529.90 - Step 5: Solve for x
x = 12,671,947,879,529.90/4,653,361.20 - Step 6: Final answer
x = 2,723,181.66
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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.