Finding the Fourth Proportional to 5,103,700.22, 7,043,102.44 and 2,811,860.91
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Solution
The fourth proportional to 5,103,700.22, 7,043,102.44 and 2,811,860.91 is: 3,880,365.92
Step by Step Solution
- Step 1: Write the proportion equation
5,103,700.22 : 7,043,102.44 = 2,811,860.91 : x - Step 2: Convert to fraction form
5,103,700.22/7,043,102.44 = 2,811,860.91/x - Step 3: Cross multiply
5,103,700.22x = 7,043,102.44 × 2,811,860.91 - Step 4: Simplify right side
5,103,700.22x = 19,804,224,429,131.97 - Step 5: Solve for x
x = 19,804,224,429,131.97/5,103,700.22 - Step 6: Final answer
x = 3,880,365.92
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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.