Finding the Fourth Proportional to 1,977,391.68, 2,726,835.60 and 1,488,531.60
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Solution
The fourth proportional to 1,977,391.68, 2,726,835.60 and 1,488,531.60 is: 2,052,694.47
Step by Step Solution
- Step 1: Write the proportion equation
1,977,391.68 : 2,726,835.60 = 1,488,531.60 : x - Step 2: Convert to fraction form
1,977,391.68/2,726,835.60 = 1,488,531.60/x - Step 3: Cross multiply
1,977,391.68x = 2,726,835.60 × 1,488,531.60 - Step 4: Simplify right side
1,977,391.68x = 4,058,980,958,604.96 - Step 5: Solve for x
x = 4,058,980,958,604.96/1,977,391.68 - Step 6: Final answer
x = 2,052,694.47
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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.