Finding the Fourth Proportional to 4,089,491.70, 6,134,237.55 and 1,393,576.80
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Solution
The fourth proportional to 4,089,491.70, 6,134,237.55 and 1,393,576.80 is: 2,090,365.20
Step by Step Solution
- Step 1: Write the proportion equation
4,089,491.70 : 6,134,237.55 = 1,393,576.80 : x - Step 2: Convert to fraction form
4,089,491.70/6,134,237.55 = 1,393,576.80/x - Step 3: Cross multiply
4,089,491.70x = 6,134,237.55 × 1,393,576.80 - Step 4: Simplify right side
4,089,491.70x = 8,548,531,135,368.84 - Step 5: Solve for x
x = 8,548,531,135,368.84/4,089,491.70 - Step 6: Final answer
x = 2,090,365.20
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1.5x scale
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.