Finding the Fourth Proportional to 4,089,748.80, 6,134,623.20 and 2,600,443.20
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Solution
The fourth proportional to 4,089,748.80, 6,134,623.20 and 2,600,443.20 is: 3,900,664.80
Step by Step Solution
- Step 1: Write the proportion equation
4,089,748.80 : 6,134,623.20 = 2,600,443.20 : x - Step 2: Convert to fraction form
4,089,748.80/6,134,623.20 = 2,600,443.20/x - Step 3: Cross multiply
4,089,748.80x = 6,134,623.20 × 2,600,443.20 - Step 4: Simplify right side
4,089,748.80x = 15,952,739,185,002.24 - Step 5: Solve for x
x = 15,952,739,185,002.24/4,089,748.80 - Step 6: Final answer
x = 3,900,664.80
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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.