Finding the Fourth Proportional to 4,950,914.47, 6,831,358.56 and 2,856,992.99
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Solution
The fourth proportional to 4,950,914.47, 6,831,358.56 and 2,856,992.99 is: 3,942,129.00
Step by Step Solution
- Step 1: Write the proportion equation
4,950,914.47 : 6,831,358.56 = 2,856,992.99 : x - Step 2: Convert to fraction form
4,950,914.47/6,831,358.56 = 2,856,992.99/x - Step 3: Cross multiply
4,950,914.47x = 6,831,358.56 × 2,856,992.99 - Step 4: Simplify right side
4,950,914.47x = 19,517,143,483,939.70 - Step 5: Solve for x
x = 19,517,143,483,939.70/4,950,914.47 - Step 6: Final answer
x = 3,942,129.00
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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.