Finding the Fourth Proportional to 5,089,905.16, 7,634,658.30 and 1,724,112.04
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Solution
The fourth proportional to 5,089,905.16, 7,634,658.30 and 1,724,112.04 is: 2,586,100.50
Step by Step Solution
- Step 1: Write the proportion equation
5,089,905.16 : 7,634,658.30 = 1,724,112.04 : x - Step 2: Convert to fraction form
5,089,905.16/7,634,658.30 = 1,724,112.04/x - Step 3: Cross multiply
5,089,905.16x = 7,634,658.30 × 1,724,112.04 - Step 4: Simplify right side
5,089,905.16x = 13,163,006,296,315.93 - Step 5: Solve for x
x = 13,163,006,296,315.93/5,089,905.16 - Step 6: Final answer
x = 2,586,100.50
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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.