Finding the Fourth Proportional to 5,103,697.72, 7,043,098.99 and 2,811,858.41
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Solution
The fourth proportional to 5,103,697.72, 7,043,098.99 and 2,811,858.41 is: 3,880,362.47
Step by Step Solution
- Step 1: Write the proportion equation
5,103,697.72 : 7,043,098.99 = 2,811,858.41 : x - Step 2: Convert to fraction form
5,103,697.72/7,043,098.99 = 2,811,858.41/x - Step 3: Cross multiply
5,103,697.72x = 7,043,098.99 × 2,811,858.41 - Step 4: Simplify right side
5,103,697.72x = 19,804,197,113,434.71 - Step 5: Solve for x
x = 19,804,197,113,434.71/5,103,697.72 - Step 6: Final answer
x = 3,880,362.47
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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.