Finding the Fourth Proportional to 1,536,765.68, 2,120,735.40 and 848,438.48
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Solution
The fourth proportional to 1,536,765.68, 2,120,735.40 and 848,438.48 is: 1,170,844.42
Step by Step Solution
- Step 1: Write the proportion equation
1,536,765.68 : 2,120,735.40 = 848,438.48 : x - Step 2: Convert to fraction form
1,536,765.68/2,120,735.40 = 848,438.48/x - Step 3: Cross multiply
1,536,765.68x = 2,120,735.40 × 848,438.48 - Step 4: Simplify right side
1,536,765.68x = 1,799,313,519,258.19 - Step 5: Solve for x
x = 1,799,313,519,258.19/1,536,765.68 - Step 6: Final answer
x = 1,170,844.42
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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.