Finding the Fourth Proportional to 2,250,968.76, 3,106,632.74 and 1,283,877.36
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Solution
The fourth proportional to 2,250,968.76, 3,106,632.74 and 1,283,877.36 is: 1,771,919.50
Step by Step Solution
- Step 1: Write the proportion equation
2,250,968.76 : 3,106,632.74 = 1,283,877.36 : x - Step 2: Convert to fraction form
2,250,968.76/3,106,632.74 = 1,283,877.36/x - Step 3: Cross multiply
2,250,968.76x = 3,106,632.74 × 1,283,877.36 - Step 4: Simplify right side
2,250,968.76x = 3,988,535,440,720.77 - Step 5: Solve for x
x = 3,988,535,440,720.77/2,250,968.76 - Step 6: Final answer
x = 1,771,919.50
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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.