Finding the Fourth Proportional to 3,851,690.99, 5,315,325.44 and 2,220,087.33
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Solution
The fourth proportional to 3,851,690.99, 5,315,325.44 and 2,220,087.33 is: 3,063,715.83
Step by Step Solution
- Step 1: Write the proportion equation
3,851,690.99 : 5,315,325.44 = 2,220,087.33 : x - Step 2: Convert to fraction form
3,851,690.99/5,315,325.44 = 2,220,087.33/x - Step 3: Cross multiply
3,851,690.99x = 5,315,325.44 × 2,220,087.33 - Step 4: Simplify right side
3,851,690.99x = 11,800,486,653,070.24 - Step 5: Solve for x
x = 11,800,486,653,070.24/3,851,690.99 - Step 6: Final answer
x = 3,063,715.83
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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.