Finding the Fourth Proportional to 8,869,705.80, 13,304,558.70 and 2,479,947.90
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Solution
The fourth proportional to 8,869,705.80, 13,304,558.70 and 2,479,947.90 is: 3,719,921.85
Step by Step Solution
- Step 1: Write the proportion equation
8,869,705.80 : 13,304,558.70 = 2,479,947.90 : x - Step 2: Convert to fraction form
8,869,705.80/13,304,558.70 = 2,479,947.90/x - Step 3: Cross multiply
8,869,705.80x = 13,304,558.70 × 2,479,947.90 - Step 4: Simplify right side
8,869,705.80x = 32,994,612,408,491.73 - Step 5: Solve for x
x = 32,994,612,408,491.73/8,869,705.80 - Step 6: Final answer
x = 3,719,921.85
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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.