Finding the Fourth Proportional to 3,572,840.80, 5,360,816.40 and 1,799,912.80
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Solution
The fourth proportional to 3,572,840.80, 5,360,816.40 and 1,799,912.80 is: 2,700,652.67
Step by Step Solution
- Step 1: Write the proportion equation
3,572,840.80 : 5,360,816.40 = 1,799,912.80 : x - Step 2: Convert to fraction form
3,572,840.80/5,360,816.40 = 1,799,912.80/x - Step 3: Cross multiply
3,572,840.80x = 5,360,816.40 × 1,799,912.80 - Step 4: Simplify right side
3,572,840.80x = 9,649,002,056,809.92 - Step 5: Solve for x
x = 9,649,002,056,809.92/3,572,840.80 - Step 6: Final answer
x = 2,700,652.67
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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.