Finding the Fourth Proportional to 5,621,542.94, 7,757,731.76 and 3,043,223.63
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Solution
The fourth proportional to 5,621,542.94, 7,757,731.76 and 3,043,223.63 is: 4,199,649.96
Step by Step Solution
- Step 1: Write the proportion equation
5,621,542.94 : 7,757,731.76 = 3,043,223.63 : x - Step 2: Convert to fraction form
5,621,542.94/7,757,731.76 = 3,043,223.63/x - Step 3: Cross multiply
5,621,542.94x = 7,757,731.76 × 3,043,223.63 - Step 4: Simplify right side
5,621,542.94x = 23,608,512,553,228.71 - Step 5: Solve for x
x = 23,608,512,553,228.71/5,621,542.94 - Step 6: Final answer
x = 4,199,649.96
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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.