Finding the Fourth Proportional to 3,122,123.60, 4,306,952.57 and 2,089,674.65
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Solution
The fourth proportional to 3,122,123.60, 4,306,952.57 and 2,089,674.65 is: 2,882,694.84
Step by Step Solution
- Step 1: Write the proportion equation
3,122,123.60 : 4,306,952.57 = 2,089,674.65 : x - Step 2: Convert to fraction form
3,122,123.60/4,306,952.57 = 2,089,674.65/x - Step 3: Cross multiply
3,122,123.60x = 4,306,952.57 × 2,089,674.65 - Step 4: Simplify right side
3,122,123.60x = 9,000,129,572,298.22 - Step 5: Solve for x
x = 9,000,129,572,298.22/3,122,123.60 - Step 6: Final answer
x = 2,882,694.84
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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.