Finding the Fourth Proportional to 2,661,277.68, 3,991,858.88 and 742,137.68
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Solution
The fourth proportional to 2,661,277.68, 3,991,858.88 and 742,137.68 is: 1,113,190.45
Step by Step Solution
- Step 1: Write the proportion equation
2,661,277.68 : 3,991,858.88 = 742,137.68 : x - Step 2: Convert to fraction form
2,661,277.68/3,991,858.88 = 742,137.68/x - Step 3: Cross multiply
2,661,277.68x = 3,991,858.88 × 742,137.68 - Step 4: Simplify right side
2,661,277.68x = 2,962,508,888,090.60 - Step 5: Solve for x
x = 2,962,508,888,090.60/2,661,277.68 - Step 6: Final answer
x = 1,113,190.45
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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.