Finding the Fourth Proportional to 6,408,851.76, 9,613,587.97 and 2,090,893.64
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Solution
The fourth proportional to 6,408,851.76, 9,613,587.97 and 2,090,893.64 is: 3,136,441.70
Step by Step Solution
- Step 1: Write the proportion equation
6,408,851.76 : 9,613,587.97 = 2,090,893.64 : x - Step 2: Convert to fraction form
6,408,851.76/9,613,587.97 = 2,090,893.64/x - Step 3: Cross multiply
6,408,851.76x = 9,613,587.97 × 2,090,893.64 - Step 4: Simplify right side
6,408,851.76x = 20,100,989,898,599.19 - Step 5: Solve for x
x = 20,100,989,898,599.19/6,408,851.76 - Step 6: Final answer
x = 3,136,441.70
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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.