Finding the Fourth Proportional to 4,237,381.20, 6,347,777.40 and 2,549,470.80
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Solution
The fourth proportional to 4,237,381.20, 6,347,777.40 and 2,549,470.80 is: 3,819,215.78
Step by Step Solution
- Step 1: Write the proportion equation
4,237,381.20 : 6,347,777.40 = 2,549,470.80 : x - Step 2: Convert to fraction form
4,237,381.20/6,347,777.40 = 2,549,470.80/x - Step 3: Cross multiply
4,237,381.20x = 6,347,777.40 × 2,549,470.80 - Step 4: Simplify right side
4,237,381.20x = 16,183,473,126,199.92 - Step 5: Solve for x
x = 16,183,473,126,199.92/4,237,381.20 - Step 6: Final answer
x = 3,819,215.78
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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.