Finding the Fourth Proportional to 5,230,515.36, 7,218,295.92 and 2,938,630.08
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Solution
The fourth proportional to 5,230,515.36, 7,218,295.92 and 2,938,630.08 is: 4,055,413.29
Step by Step Solution
- Step 1: Write the proportion equation
5,230,515.36 : 7,218,295.92 = 2,938,630.08 : x - Step 2: Convert to fraction form
5,230,515.36/7,218,295.92 = 2,938,630.08/x - Step 3: Cross multiply
5,230,515.36x = 7,218,295.92 × 2,938,630.08 - Step 4: Simplify right side
5,230,515.36x = 21,211,901,516,853.27 - Step 5: Solve for x
x = 21,211,901,516,853.27/5,230,515.36 - Step 6: Final answer
x = 4,055,413.29
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.