Finding the Fourth Proportional to 6,929,712.76, 10,391,099.99 and 2,136,779.24
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Solution
The fourth proportional to 6,929,712.76, 10,391,099.99 and 2,136,779.24 is: 3,204,099.15
Step by Step Solution
- Step 1: Write the proportion equation
6,929,712.76 : 10,391,099.99 = 2,136,779.24 : x - Step 2: Convert to fraction form
6,929,712.76/10,391,099.99 = 2,136,779.24/x - Step 3: Cross multiply
6,929,712.76x = 10,391,099.99 × 2,136,779.24 - Step 4: Simplify right side
6,929,712.76x = 22,203,486,735,206.75 - Step 5: Solve for x
x = 22,203,486,735,206.75/6,929,712.76 - Step 6: Final answer
x = 3,204,099.15
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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.