Finding the Fourth Proportional to 6,330,786.88, 8,736,473.68 and 3,430,256.26
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Solution
The fourth proportional to 6,330,786.88, 8,736,473.68 and 3,430,256.26 is: 4,733,747.02
Step by Step Solution
- Step 1: Write the proportion equation
6,330,786.88 : 8,736,473.68 = 3,430,256.26 : x - Step 2: Convert to fraction form
6,330,786.88/8,736,473.68 = 3,430,256.26/x - Step 3: Cross multiply
6,330,786.88x = 8,736,473.68 × 3,430,256.26 - Step 4: Simplify right side
6,330,786.88x = 29,968,343,531,145.23 - Step 5: Solve for x
x = 29,968,343,531,145.23/6,330,786.88 - Step 6: Final answer
x = 4,733,747.02
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1.5x scale
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.