Finding the Fourth Proportional to 3,256,532.36, 4,878,632.94 and 2,173,780.12
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Solution
The fourth proportional to 3,256,532.36, 4,878,632.94 and 2,173,780.12 is: 3,256,554.56
Step by Step Solution
- Step 1: Write the proportion equation
3,256,532.36 : 4,878,632.94 = 2,173,780.12 : x - Step 2: Convert to fraction form
3,256,532.36/4,878,632.94 = 2,173,780.12/x - Step 3: Cross multiply
3,256,532.36x = 4,878,632.94 × 2,173,780.12 - Step 4: Simplify right side
3,256,532.36x = 10,605,075,297,749.15 - Step 5: Solve for x
x = 10,605,075,297,749.15/3,256,532.36 - Step 6: Final answer
x = 3,256,554.56
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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.