Finding the Fourth Proportional to 5,306,413.76, 7,959,620.64 and 1,317,325.76
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Solution
The fourth proportional to 5,306,413.76, 7,959,620.64 and 1,317,325.76 is: 1,975,988.64
Step by Step Solution
- Step 1: Write the proportion equation
5,306,413.76 : 7,959,620.64 = 1,317,325.76 : x - Step 2: Convert to fraction form
5,306,413.76/7,959,620.64 = 1,317,325.76/x - Step 3: Cross multiply
5,306,413.76x = 7,959,620.64 × 1,317,325.76 - Step 4: Simplify right side
5,306,413.76x = 10,485,413,308,899.69 - Step 5: Solve for x
x = 10,485,413,308,899.69/5,306,413.76 - Step 6: Final answer
x = 1,975,988.64
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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.