Finding the Fourth Proportional to 5,271,781.11, 7,907,843.87 and 1,813,485.18
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Solution
The fourth proportional to 5,271,781.11, 7,907,843.87 and 1,813,485.18 is: 2,720,287.01
Step by Step Solution
- Step 1: Write the proportion equation
5,271,781.11 : 7,907,843.87 = 1,813,485.18 : x - Step 2: Convert to fraction form
5,271,781.11/7,907,843.87 = 1,813,485.18/x - Step 3: Cross multiply
5,271,781.11x = 7,907,843.87 × 1,813,485.18 - Step 4: Simplify right side
5,271,781.11x = 14,340,757,663,998.85 - Step 5: Solve for x
x = 14,340,757,663,998.85/5,271,781.11 - Step 6: Final answer
x = 2,720,287.01
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.