Finding the Fourth Proportional to 5,439,924.60, 8,161,895.70 and 2,245,327.80
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Solution
The fourth proportional to 5,439,924.60, 8,161,895.70 and 2,245,327.80 is: 3,368,820.83
Step by Step Solution
- Step 1: Write the proportion equation
5,439,924.60 : 8,161,895.70 = 2,245,327.80 : x - Step 2: Convert to fraction form
5,439,924.60/8,161,895.70 = 2,245,327.80/x - Step 3: Cross multiply
5,439,924.60x = 8,161,895.70 × 2,245,327.80 - Step 4: Simplify right side
5,439,924.60x = 18,326,131,315,910.46 - Step 5: Solve for x
x = 18,326,131,315,910.46/5,439,924.60 - Step 6: Final answer
x = 3,368,820.83
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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.