Finding the Fourth Proportional to 5,258,340.80, 7,887,511.20 and 3,463,251.20
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Solution
The fourth proportional to 5,258,340.80, 7,887,511.20 and 3,463,251.20 is: 5,194,876.80
Step by Step Solution
- Step 1: Write the proportion equation
5,258,340.80 : 7,887,511.20 = 3,463,251.20 : x - Step 2: Convert to fraction form
5,258,340.80/7,887,511.20 = 3,463,251.20/x - Step 3: Cross multiply
5,258,340.80x = 7,887,511.20 × 3,463,251.20 - Step 4: Simplify right side
5,258,340.80x = 27,316,432,628,413.44 - Step 5: Solve for x
x = 27,316,432,628,413.44/5,258,340.80 - Step 6: Final answer
x = 5,194,876.80
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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.