Finding the Fourth Proportional to 5,430,977.40, 8,151,058.80 and 2,238,394.80
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Solution
The fourth proportional to 5,430,977.40, 8,151,058.80 and 2,238,394.80 is: 3,359,485.10
Step by Step Solution
- Step 1: Write the proportion equation
5,430,977.40 : 8,151,058.80 = 2,238,394.80 : x - Step 2: Convert to fraction form
5,430,977.40/8,151,058.80 = 2,238,394.80/x - Step 3: Cross multiply
5,430,977.40x = 8,151,058.80 × 2,238,394.80 - Step 4: Simplify right side
5,430,977.40x = 18,245,287,632,414.24 - Step 5: Solve for x
x = 18,245,287,632,414.24/5,430,977.40 - Step 6: Final answer
x = 3,359,485.10
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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.