Finding the Fourth Proportional to 1,485,439.10, 2,229,221.21 and 633,109.92
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Solution
The fourth proportional to 1,485,439.10, 2,229,221.21 and 633,109.92 is: 950,117.75
Step by Step Solution
- Step 1: Write the proportion equation
1,485,439.10 : 2,229,221.21 = 633,109.92 : x - Step 2: Convert to fraction form
1,485,439.10/2,229,221.21 = 633,109.92/x - Step 3: Cross multiply
1,485,439.10x = 2,229,221.21 × 633,109.92 - Step 4: Simplify right side
1,485,439.10x = 1,411,342,058,759.85 - Step 5: Solve for x
x = 1,411,342,058,759.85/1,485,439.10 - Step 6: Final answer
x = 950,117.75
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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.