Finding the Fourth Proportional to 5,153,743.56, 7,112,251.56 and 2,830,850.76
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Solution
The fourth proportional to 5,153,743.56, 7,112,251.56 and 2,830,850.76 is: 3,906,620.98
Step by Step Solution
- Step 1: Write the proportion equation
5,153,743.56 : 7,112,251.56 = 2,830,850.76 : x - Step 2: Convert to fraction form
5,153,743.56/7,112,251.56 = 2,830,850.76/x - Step 3: Cross multiply
5,153,743.56x = 7,112,251.56 × 2,830,850.76 - Step 4: Simplify right side
5,153,743.56x = 20,133,722,733,937.18 - Step 5: Solve for x
x = 20,133,722,733,937.18/5,153,743.56 - Step 6: Final answer
x = 3,906,620.98
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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.