Finding the Fourth Proportional to 4,542,860.40, 6,805,105.20 and 2,831,751.60
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Solution
The fourth proportional to 4,542,860.40, 6,805,105.20 and 2,831,751.60 is: 4,241,901.76
Step by Step Solution
- Step 1: Write the proportion equation
4,542,860.40 : 6,805,105.20 = 2,831,751.60 : x - Step 2: Convert to fraction form
4,542,860.40/6,805,105.20 = 2,831,751.60/x - Step 3: Cross multiply
4,542,860.40x = 6,805,105.20 × 2,831,751.60 - Step 4: Simplify right side
4,542,860.40x = 19,270,367,538,268.32 - Step 5: Solve for x
x = 19,270,367,538,268.32/4,542,860.40 - Step 6: Final answer
x = 4,241,901.76
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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.