Finding the Fourth Proportional to 3,763,511.68, 5,193,271.28 and 2,131,593.44
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Solution
The fourth proportional to 3,763,511.68, 5,193,271.28 and 2,131,593.44 is: 2,941,386.64
Step by Step Solution
- Step 1: Write the proportion equation
3,763,511.68 : 5,193,271.28 = 2,131,593.44 : x - Step 2: Convert to fraction form
3,763,511.68/5,193,271.28 = 2,131,593.44/x - Step 3: Cross multiply
3,763,511.68x = 5,193,271.28 × 2,131,593.44 - Step 4: Simplify right side
3,763,511.68x = 11,069,942,992,588.40 - Step 5: Solve for x
x = 11,069,942,992,588.40/3,763,511.68 - Step 6: Final answer
x = 2,941,386.64
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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.