Finding the Fourth Proportional to 2,118,458.49, 3,177,629.01 and 770,646.03
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Solution
The fourth proportional to 2,118,458.49, 3,177,629.01 and 770,646.03 is: 1,155,947.68
Step by Step Solution
- Step 1: Write the proportion equation
2,118,458.49 : 3,177,629.01 = 770,646.03 : x - Step 2: Convert to fraction form
2,118,458.49/3,177,629.01 = 770,646.03/x - Step 3: Cross multiply
2,118,458.49x = 3,177,629.01 × 770,646.03 - Step 4: Simplify right side
2,118,458.49x = 2,448,827,181,369.33 - Step 5: Solve for x
x = 2,448,827,181,369.33/2,118,458.49 - Step 6: Final answer
x = 1,155,947.68
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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.