Finding the Fourth Proportional to 7,001,610.40, 10,502,415.60 and 2,740,362.40
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Solution
The fourth proportional to 7,001,610.40, 10,502,415.60 and 2,740,362.40 is: 4,110,543.60
Step by Step Solution
- Step 1: Write the proportion equation
7,001,610.40 : 10,502,415.60 = 2,740,362.40 : x - Step 2: Convert to fraction form
7,001,610.40/10,502,415.60 = 2,740,362.40/x - Step 3: Cross multiply
7,001,610.40x = 10,502,415.60 × 2,740,362.40 - Step 4: Simplify right side
7,001,610.40x = 28,780,424,819,413.44 - Step 5: Solve for x
x = 28,780,424,819,413.44/7,001,610.40 - Step 6: Final answer
x = 4,110,543.60
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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.