Finding the Fourth Proportional to 3,933,810.12, 5,897,701.98 and 1,236,574.92
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Solution
The fourth proportional to 3,933,810.12, 5,897,701.98 and 1,236,574.92 is: 1,853,915.19
Step by Step Solution
- Step 1: Write the proportion equation
3,933,810.12 : 5,897,701.98 = 1,236,574.92 : x - Step 2: Convert to fraction form
3,933,810.12/5,897,701.98 = 1,236,574.92/x - Step 3: Cross multiply
3,933,810.12x = 5,897,701.98 × 1,236,574.92 - Step 4: Simplify right side
3,933,810.12x = 7,292,950,354,102.34 - Step 5: Solve for x
x = 7,292,950,354,102.34/3,933,810.12 - Step 6: Final answer
x = 1,853,915.19
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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.