Finding the Fourth Proportional to 5,389,053.60, 8,085,718.80 and 2,194,413.60
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Solution
The fourth proportional to 5,389,053.60, 8,085,718.80 and 2,194,413.60 is: 3,292,491.15
Step by Step Solution
- Step 1: Write the proportion equation
5,389,053.60 : 8,085,718.80 = 2,194,413.60 : x - Step 2: Convert to fraction form
5,389,053.60/8,085,718.80 = 2,194,413.60/x - Step 3: Cross multiply
5,389,053.60x = 8,085,718.80 × 2,194,413.60 - Step 4: Simplify right side
5,389,053.60x = 17,743,411,300,495.68 - Step 5: Solve for x
x = 17,743,411,300,495.68/5,389,053.60 - Step 6: Final answer
x = 3,292,491.15
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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.