Finding the Fourth Proportional to 3,740,026.20, 5,607,965.70 and 1,609,747.80
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Solution
The fourth proportional to 3,740,026.20, 5,607,965.70 and 1,609,747.80 is: 2,413,729.20
Step by Step Solution
- Step 1: Write the proportion equation
3,740,026.20 : 5,607,965.70 = 1,609,747.80 : x - Step 2: Convert to fraction form
3,740,026.20/5,607,965.70 = 1,609,747.80/x - Step 3: Cross multiply
3,740,026.20x = 5,607,965.70 × 1,609,747.80 - Step 4: Simplify right side
3,740,026.20x = 9,027,410,448,050.46 - Step 5: Solve for x
x = 9,027,410,448,050.46/3,740,026.20 - Step 6: Final answer
x = 2,413,729.20
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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.