Finding the Fourth Proportional to 4,720,163.14, 7,078,292.74 and 1,480,620.25
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Solution
The fourth proportional to 4,720,163.14, 7,078,292.74 and 1,480,620.25 is: 2,220,318.08
Step by Step Solution
- Step 1: Write the proportion equation
4,720,163.14 : 7,078,292.74 = 1,480,620.25 : x - Step 2: Convert to fraction form
4,720,163.14/7,078,292.74 = 1,480,620.25/x - Step 3: Cross multiply
4,720,163.14x = 7,078,292.74 × 1,480,620.25 - Step 4: Simplify right side
4,720,163.14x = 10,480,263,566,271.98 - Step 5: Solve for x
x = 10,480,263,566,271.98/4,720,163.14 - Step 6: Final answer
x = 2,220,318.08
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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.