Finding the Fourth Proportional to 2,792,583.51, 3,853,780.70 and 1,568,940.63
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Solution
The fourth proportional to 2,792,583.51, 3,853,780.70 and 1,568,940.63 is: 2,165,146.75
Step by Step Solution
- Step 1: Write the proportion equation
2,792,583.51 : 3,853,780.70 = 1,568,940.63 : x - Step 2: Convert to fraction form
2,792,583.51/3,853,780.70 = 1,568,940.63/x - Step 3: Cross multiply
2,792,583.51x = 3,853,780.70 × 1,568,940.63 - Step 4: Simplify right side
2,792,583.51x = 6,046,353,111,495.14 - Step 5: Solve for x
x = 6,046,353,111,495.14/2,792,583.51 - Step 6: Final answer
x = 2,165,146.75
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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.