Finding the Fourth Proportional to 4,436,619.70, 6,122,539.30 and 2,399,429.20
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Solution
The fourth proportional to 4,436,619.70, 6,122,539.30 and 2,399,429.20 is: 3,311,214.52
Step by Step Solution
- Step 1: Write the proportion equation
4,436,619.70 : 6,122,539.30 = 2,399,429.20 : x - Step 2: Convert to fraction form
4,436,619.70/6,122,539.30 = 2,399,429.20/x - Step 3: Cross multiply
4,436,619.70x = 6,122,539.30 × 2,399,429.20 - Step 4: Simplify right side
4,436,619.70x = 14,690,599,574,567.56 - Step 5: Solve for x
x = 14,690,599,574,567.56/4,436,619.70 - Step 6: Final answer
x = 3,311,214.52
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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.