Finding the Fourth Proportional to 5,133,769.56, 7,084,657.98 and 2,841,968.52
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Solution
The fourth proportional to 5,133,769.56, 7,084,657.98 and 2,841,968.52 is: 3,921,947.55
Step by Step Solution
- Step 1: Write the proportion equation
5,133,769.56 : 7,084,657.98 = 2,841,968.52 : x - Step 2: Convert to fraction form
5,133,769.56/7,084,657.98 = 2,841,968.52/x - Step 3: Cross multiply
5,133,769.56x = 7,084,657.98 × 2,841,968.52 - Step 4: Simplify right side
5,133,769.56x = 20,134,374,954,126.79 - Step 5: Solve for x
x = 20,134,374,954,126.79/5,133,769.56 - Step 6: Final answer
x = 3,921,947.55
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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.