Finding the Fourth Proportional to 5,449,853.04, 8,174,738.55 and 1,405,997.09
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Solution
The fourth proportional to 5,449,853.04, 8,174,738.55 and 1,405,997.09 is: 2,108,985.05
Step by Step Solution
- Step 1: Write the proportion equation
5,449,853.04 : 8,174,738.55 = 1,405,997.09 : x - Step 2: Convert to fraction form
5,449,853.04/8,174,738.55 = 1,405,997.09/x - Step 3: Cross multiply
5,449,853.04x = 8,174,738.55 × 1,405,997.09 - Step 4: Simplify right side
5,449,853.04x = 11,493,658,599,956.15 - Step 5: Solve for x
x = 11,493,658,599,956.15/5,449,853.04 - Step 6: Final answer
x = 2,108,985.05
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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.