Finding the Fourth Proportional to 3,230,615.60, 4,840,674.60 and 2,779,218.80
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Solution
The fourth proportional to 3,230,615.60, 4,840,674.60 and 2,779,218.80 is: 4,164,312.79
Step by Step Solution
- Step 1: Write the proportion equation
3,230,615.60 : 4,840,674.60 = 2,779,218.80 : x - Step 2: Convert to fraction form
3,230,615.60/4,840,674.60 = 2,779,218.80/x - Step 3: Cross multiply
3,230,615.60x = 4,840,674.60 × 2,779,218.80 - Step 4: Simplify right side
3,230,615.60x = 13,453,293,853,002.48 - Step 5: Solve for x
x = 13,453,293,853,002.48/3,230,615.60 - Step 6: Final answer
x = 4,164,312.79
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1.5x scale
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.